Global markets faced intense volatility this week after a bruising tech rout in South Korea wiped more than $2 trillion off market value, heightening investor anxiety regarding the financial payoff from massive artificial intelligence infrastructure investments. Asian share prices wavered in choppy trading as the Federal Reserve opted to keep the federal funds rate in a range of 3.5% to 3.75% following a 9-3 split vote among policymakers.
Federal Reserve Rate Decision Leaves Bond Markets Uncertain
U.S. central bank officials stood pat on borrowing costs, but the divided vote left investors confused about whether policymakers will pursue further rate hikes to combat inflation. In a post-meeting media conference, Fed Chair Kevin Warsh vowed to contain inflation while declining to offer explicit guidance on future rate adjustments. Warsh noted that longer-term bond yields had risen notably since the previous policy meeting, reflecting market expectations of tighter monetary policy.
“To me this is a way of saying the market has done the Fed’s job so far.”
Blerina Uruci, chief U.S. economist at T. Rowe Price
That uncertainty pushed yields on 30-year U.S. bonds to 5.2039%, having hit their highest level since June 2007 at 5.2273% during late New York trading.
“Ultimately, Warsh’s hawkish tone will not be enough to ensure price stability. The market will learn the hard way that no forward guidance means Warsh and the FOMC will not deliver on a policy outcome just because the market has priced it.”
Blerina Uruci, chief U.S. economist at T. Rowe Price
South Korean Markets Reeling as Chip Sector Faces Scrutiny
Asian chipmakers remained at the epicenter of investor attention following the steep sell-off across South Korean equities. South Korea’s benchmark Kospi index swung through Thursday’s session, ending 1.2% lower at 5,593.56 after sharp losses earlier in the week that included an 10.8% drop on Tuesday and a nearly 6% decline on Wednesday.
The market turbulence prompted South Korean Finance Minister Koo Yun-cheol to apologize for the rollout of single-stock leveraged ETFs while authorities unveiled emergency market-stabilization measures. Despite the panic, some institutional managers viewed the sell-off as excessive relative to underlying corporate fundamentals.
“Given that the fundamental thesis remains intact, there does appear to be an irrational, panic-like element to the current selling.”
Gina Kim, portfolio manager for emerging market equities at Nordea Asset Management
Corporate Earnings and Tech Infrastructure Spending Diverge
Corporate earnings reports from major technology leaders highlighted contrasting fortunes for companies rushing to expand artificial intelligence capabilities. Samsung Electronics reported a massive jump in quarterly chip profit and noted that it expects semiconductor shortages to worsen and extend into 2028. Conversely, competitor SK Hynix saw its shares drop 5.6% after reporting quarterly operating profits that fell short of analyst expectations.
In the United States, mega-cap tech earnings underscored divergent paths for infrastructure spending. Microsoft reassured investors that it would maintain strong cash generation through fiscal 2027 despite heavy capital expenditures, pushing its stock higher. Meta shares retreated following a 91% collapse in second-quarter free cash flow.
“Uncertainty about U.S. monetary policy, the sharp steepening of the Treasury yield curve, growing tensions in the Middle East and continued worries about the semiconductor industry and AI sector mean that markets are likely to stay volatile in the near term.”
Vasu Menon, managing director of investment strategy at OCBC
Middle East Hostilities Push Oil Prices and Fuel Supply Pressures
Commodity markets reacted sharply to escalating military conflicts in the Middle East. Brent crude futures slipped below $90 per barrel, after jumping over 7% a day earlier as fighting intensified. U.S. President Donald Trump stated that the United States would hit Iran very hard following a strike on a U.S. base in Jordan.

Restricted maritime traffic through the Strait of Hormuz continued to constrain vital oil transport routes, keeping upward pressure on global energy supplies. Brent crude traded up 0.6% to $88.60 per barrel, remaining significantly higher than its $72 price level recorded in late February before the war began. Benchmark U.S. crude rose 0.3% to $84.70 per barrel.