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World briefing — August 31, 2026

As of 2026-08-31

What changed since yesterday

World trends

War & Conflict

The common thread of the week of 25-31 August is that the more the diplomatic track advanced, the further ahead the firepower track ran. In Hormuz, on 30 August, right after the Trump administration said it would concentrate on economic pressure rather than military action, US forces struck Iran's Larak island and broke a month-long lull themselves; in Ukraine, even as the possibility of US-attended talks in September is floated, Zelensky has flagged attacks of 1,000 drones a day, setting off a race to maximise firepower before negotiations. In Congo, M23 launched a major counteroffensive at Kalehe just four days after the first ceasefire verification team arrived in Minembwe, and in Gaza casualties mount daily despite the announcement of a phase-two ceasefire roadmap, with the Arab and Islamic world formally pointing to Israel's responsibility. In Africa, the Sudan front has widened to Blue Nile state on the Ethiopian border, in Ethiopia the former enemies Amhara Fano and Tigray have agreed to an anti-government coalition, and in Niger a mutiny at Niamey's Base 101 on 29 August suggests the nature of the threat is shifting from external armed groups to cracks inside the regime. The one exceptional sign of easing came in the Western Hemisphere: the announcement of a 25-year US-Venezuela energy agreement on 29-30 August turned the military axis of confrontation into a resource deal, whereas in Haiti the toll from the Kenscoff massacre has grown to 47 dead and more than 50 kidnapped, calling into question whether the 13 December election can be held at all.

Geopolitics & Diplomacy

The Iran war has redrawn the world's energy and shipping order. As the closure of Hormuz drags on, Brent crude has settled in the high $80s, and the Suez Canal, where tanker routes have shifted, saw its second-quarter revenue rise 13%. Conflicting US and IRGC claims over the blockade and control of the strait continue to delay talks on reopening it.

The US is tightening supply with sanctions while filling the gap through resource-securing diplomacy. The Venezuela deal for 65 billion barrels announced on 28 August moves in tandem with the pressure strategy of pushing Iranian crude out of the market. Terms of a 100-year lease and a 55% share of output are a new form that effectively turns resource access into an equity stake.

Tariffs have hardened into the axis that divides alliances. Canada will put retaliatory tariffs of up to 50% on more than 700 items into effect on 8 September, Brazil is framing tariffs as a sovereignty issue ahead of its election, and South Korea has postponed the first project under its $350 billion US investment pledge to September.

Permanent grey-zone pressure, rather than military exercises, is becoming institutionalised. In July, Chinese government vessels around Taiwan numbered 244, a record, and warnings of Russian hybrid and sabotage activity are repeated in the Baltic and Poland. Taiwan responded with a record defence budget of 3.01% of GDP.

The weaponisation of supply chains has turned into real industrial damage. China's exports of dysprosium and terbium to Japan have fallen close to zero, and first-half imports plunged 80%. Japan sounded out a thaw by sending a parliamentary delegation to China, while Germany signalled the opposite, a harder turn in its trade policy towards China.

Multipolar bloc-building became visible on the summit stage. Xi Jinping, Putin, Modi, Pezeshkian and Erdogan gathered at the SCO summit in Bishkek on 31 August, and earlier, on 7 August, Turkey, Saudi Arabia and Pakistan signed a collective defence pact in Mecca. The North Korea-Russia military alignment was confirmed by the use of North Korean ballistic missiles on the Ukrainian battlefield.

Finance & Economy

The Fed has moved from discussing cuts to discussing hikes. Chair Warsh's Jackson Hole debut speech pushed the probability of a 25bp hike in September from the 30s to around 60%, and core PCE at 3.3% supported that narrative. The reversal in the direction of the rate cycle itself is this week's biggest variable.

Major economies' monetary policies are converging on simultaneous tightening to a degree rarely seen. The Bank of Korea raised rates for a second straight time to 3.00% on 27 August, the probability of a BOJ hike in September is 87%, and even the Fed is weighing a hike. Conversely, Brazil has cut four times in a row and Hungary three times in a row, deepening the divergence among emerging markets.

Even as rates rose, volatility in risk assets actually subsided. The VIX hit 14.35 on 28 August, its lowest of the year, and the S&P 500 finished the week higher. That implies the market is reading the Warsh-era priority on inflation as removing uncertainty, but this relief could unwind quickly if a hike materialises.

Semiconductors are sending opposite signals in the real economy and in share prices. South Korea's chip exports for 1-20 August surged 198.8% to $26 billion, accounting for 47.2% of total exports, yet the SOX fell as much as 29% from its June high at one point, and even strong Nvidia earnings failed to lift the sector. The gap between AI valuations and cyclical earnings is the key issue.

Hormuz risk has returned as the leading driver of oil prices. Brent fell more than 5% over the week as the Iran situation was seen as a sanctions standoff, then regained the $90 level in Asian trading on 31 August after a 30 August US strike on Iranian rocket launchers. This is feeding through differently to Turkey (a higher inflation outlook), Japan (worse terms of trade) and Russia (improved public finances).

A strong dollar is splitting Asian currencies. The yen broke through ¥160 despite expectations of a BOJ hike, and the Indian rupee hit a record low of 88.5 under the burden of US 50% tariffs. The won, by contrast, strengthened to ₩1,368.6 on the back of rate hikes and strong chip exports, so the same dollar pressure produced different outcomes depending on fundamentals.

Tech & Energy

Demand for AI compute has still not been dented. Nvidia's fiscal 2027 second-quarter data-centre revenue of $89 billion, Taiwan's July export orders of $97.9 billion and 29% growth in the global foundry market in the second quarter all point the same way. They suggest that last week's entry of the Philadelphia Semiconductor Index into a technical bear market was a reaction to valuations and policy risk, not a slowdown in demand.

US control tools are widening from export restrictions to tariffs, and from chips to finished products and models. A review of second-phase semiconductor tariffs that would also target data-centre servers and laptops, and the risk of ‘regulation of Chinese AI models’ that Nvidia stated in a securities filing, show that the regulatory boundary is moving beyond hardware.

Hormuz has sent its first easing signal, but physical flows have yet to follow. Oil prices fell for three straight sessions on an Iran-Oman interim shipping-lane framework, but Qatar extended its LNG force majeure by another month in the same week. The lag between an agreement to resume navigation and the actual resumption of cargoes is the biggest variable for energy prices this winter.

China's rare-earth leverage is working most clearly on Japan. An 82% drop in dysprosium imports from China in the first half and heavy rare-earth supply that is virtually zero have squeezed two separate bottlenecks at once, EV motors and chip-equipment coatings, and alternative supply chains carry a lag of one to two years.

China's chip self-sufficiency has substance in mature nodes but is still blocked in advanced nodes. SMIC's record quarterly revenue and its rise to third place by market share explain the former, while a forecast that the supply shortfall at 7nm and below will still be 34% in 2035, together with the lithography bottleneck, explains the latter.

The address of AI infrastructure is rapidly spreading beyond the US. SK Hynix's groundbreaking on an HBM back-end plant in Indiana, the 200MW Stargate in Abu Dhabi, Mistral's 1GW plan in Europe and India's uranium deal with Uzbekistan are different expressions of the same impulse to keep compute and its power and materials base within each country's own jurisdiction.

Active conflicts

Key indicators

US Fed Funds Rate3.50~3.75% ―As of 28 August the policy rate is unchanged at 3.50–3.75%. But after Fed Chair Kevin Warsh took a more hawkish stance than expected in his Jackson Hole speech, saying there is more work to do if there is no confidence that prices are heading to 2%, the probability of a 25bp hike in September jumped from the 30% range before the speech to around 60% as of 31 August.
S&P 5007,711.76 ▲Based on the Friday 28 August close. Hawkish remarks from Chair Warsh pushed the index down 0.25% on Friday, but it finished the week higher and is up 0.8% from 25 August. The US market is yet to open on Monday.
Nasdaq Composite26,402.42 ▲Based on the 28 August (Fri) close, down 0.52% on the day. Chip stocks such as Nvidia and Intel weighed on the index, but it is still 1.6% above the 25 August level (25,980.19).
US 10-Year Yield~4.73% ▲As of the 28 August (Fri) close it was 4.73%, slightly higher than on 25 August (4.71%). After Chair Warsh's remarks, short-term yields jumped by more, flattening the curve.
VIX Volatility Index~14.4 ▼The 28 August (Fri) close of 14.35 was lower than on 25 August (about 15.9). It slid as low as 14.1 intraday just after the Jackson Hole speech, the lowest of the year, with the reading that equities took the Warsh era in stride despite rate-hike worries.
Crude Oil (WTI / Brent)~$83.0/$89.3 ▼Based on the 28 August (Fri) close. As the Iran crisis came to be seen as a sanctions-style standoff rather than a physical supply cutoff, Brent fell more than 5% on the week. However, after US forces struck an Iranian rocket launcher on 30 August (Sun) that was about to lay mines in Hormuz, Brent rebounded sharply to around $90 and WTI to near $86 in Asian trading on 31 August.
Gold~$4,608/oz ▼On 28 August (Fri), spot gold stood at $4,608 an ounce, below about $4,680 on 25 August. Profit-taking emerged near the three-month high, and gold fell 2.4% on the week but held the $4,600 level.
Bitcoin~$77,700 ▼As of the afternoon of 31 August (Mon) in Korea, the 24-hour trading price is around $77,700. Rising expectations of a Fed hike dampened risk appetite, leaving it about 1.5% below the 25 August level (about $78,900).
KRW/USD₩1,368.6 ▼Based on the 3:30pm close in the Seoul FX market on 31 August (Mon), the won stood at ₩1,368.6 per dollar, down ₩3.9 from the previous session. The won strengthened despite the stock market plunge, on global dollar weakness and wariness of the authorities. This is the price before the New York open and could change with later US data and Fed remarks.
JPY/USD~¥160.0 ▲In Asian trading on Monday 31 August the dollar again broke above the 160 yen level (a weaker yen). Even as the probability of a 25bp BOJ hike in September rose to 87%, expectations of a Fed hike were priced in more strongly, reversing the 157 range reached through the joint US-Japan intervention in early August.
EUR/USD~1.158 ▼As of Friday 28 August EUR/USD was 1.1583, down 0.57% from the previous session and the lowest since 19 August. Despite data showing renewed price pressure in the eurozone, the dollar strengthened on Chair Warsh's remarks, lifting the dollar index to 99.5–99.7.
KOSPI6,820.02 ▲The KOSPI closed on Monday 31 August at 6,820.02, up 31.14 points (0.46%) from the previous session. Hit by a sell-off in US chip stocks, it fell as far as 6,613.58 (-2.58%) early in the session and at one point to around 6,552 (-3.5%), but retail buying and bargain hunting in chip stocks erased all of the losses and turned it positive. The KOSDAQ fell 0.49% to 834.29.

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