Global markets, returning from the U.S. Labor Day break, saw their calm punctured early this week as Japan's yen surged to its strongest point since February. The currency’s move prompted market repositioning that traders said looked aimed at preparing for what is widely seen as an almost certain Bank of Japan (BOJ) interest-rate rise next week.
The case for a BOJ tightening was strengthened on Tuesday when Japan's second-quarter GDP estimates were revised upward and July data showed the largest annual increase in real wages in five years. Those data points combined to amplify expectations that the BOJ will act, with some market commentary even entertaining the unconventional notion that the central bank could consider a hike larger than the customary 25 basis points, though that view remains outside the mainstream.
Alongside the yen's appreciation, China’s yuan and South Korea’s won also gained substantial ground versus the dollar. Traders are monitoring the potential market consequences of unwinding yen-funded carry trades - a process that could transmit volatility across equity and fixed-income markets globally. In Tokyo the Nikkei 225 recoiled nearly 2% on Tuesday as investors absorbed the currency-driven readjustment.
Despite these currency shocks, the broader global economic picture continues to show strength. The euro zone also saw its second-quarter GDP revised higher this week, and the U.S. labour market delivered robust results for August. Those datapoints underpin arguments being made for another round of interest-rate increases in coming weeks - possibly including moves at the Federal Reserve.
Commodities are reflecting the same tightening-growth dynamic. Oil is grinding higher toward the $100-a-barrel mark after Iran pledged what it termed "economic warfare" against the United States and Tehran-backed Houthi forces struck energy installations in Saudi Arabia. Such developments have supported upward pressure on crude prices, feeding through into broader inflationary concerns.
Copper, often read as a barometer of global industrial demand, touched an all-time high on Monday. Market participants said the metal's surge was partly driven by fears around U.S. tariffs, even as its ascent also aligns with an upbeat global growth narrative. The coexistence of strong growth indicators and rising interest-rate expectations has created tension - one that may act to curb unabated stock market advances.
As U.S. markets reopened, most major equity indices were trading in the red before the bell. Investors weighed the tightening monetary outlook against ongoing demand strength across multiple regions.
Turning to trade flows, China reported a 25% year-on-year increase in exports for August in U.S. dollar terms, meeting forecasts and accelerating slightly from July's 23.9% growth. Imports rose as well, but China's trade surplus expanded to $119 billion for the month. The country’s surplus for the first eight months of the year reached $805.51 billion, putting annual trade surplus figures on a trajectory to exceed $1 trillion for a second consecutive year. Trade flows with the United States were particularly notable: China's export sales to the U.S. jumped 34% year-on-year, lifting the bilateral trade surplus to $29 billion in August.
Trade tensions elsewhere also intensified. On Tuesday Canada implemented retaliatory tariffs on U.S. goods, escalating the trade dispute between the two neighbours.
Chart of the day
Exports from the world's second-largest economy surged 25% year-on-year in August, driven in part by strong overseas demand for high-tech and AI-related products. That expansion, combined with rising imports, left China's monthly trade balance at a $119 billion surplus and pushed its year-to-date surplus above $805 billion.
Events to watch
- U.S. 3-year note auction (1 p.m. EDT)
- U.S. NFIB small business survey for August
The intersection of stronger growth readings, a firmer yen and climbing commodity prices has created a market backdrop where rates and risk assets will need to be vigilantly monitored. As central banks weigh incoming data, traders and portfolio managers are recalibrating exposures to currencies, equities and commodities in anticipation of higher policy rates and the potential for carry-trade unwind.
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