SEOUL — September 4, 2026 — South Korean stocks surged at the start of Friday’s trading session as investors breathed a sigh of relief after Federal Reserve Governor Christopher Waller signaled that the U.S. central bank could keep interest rates unchanged if inflation continues to cool.
The benchmark KOSPI was up 96.9 points, or 1.47%, at 6,676.38 as of 9:16 a.m. Seoul time, according to Yonhap. The rise followed a strong overnight performance on Wall Street, where all three major U.S. indexes advanced.
The Dow Jones Industrial Average gained 1.18%, while the S&P 500 rose 1.06% and the technology-heavy Nasdaq Composite climbed 1.40%.
Fed comments trigger a market relief rally
The immediate catalyst was Waller’s latest signal on U.S. monetary policy.
Waller indicated that if upcoming inflation data continues to show progress toward the Fed’s 2% inflation target, he would be willing to support keeping the policy rate at its current level. At the same time, he stressed that a hotter-than-expected inflation reading could still revive the case for higher rates.
That distinction is crucial.
Markets had been rattled by renewed fears that the Federal Reserve could resume tightening after earlier hawkish signals. The latest comments therefore provided investors with some breathing room, sending U.S. Treasury yields lower and improving appetite for riskier assets.
Reuters likewise reported that markets had begun to stabilize as Treasury yields retreated from recent highs, while attention shifted toward fresh U.S. labor-market data.
Korean chip stocks lead the rebound
Technology heavyweights were among the biggest beneficiaries in Seoul.
Samsung Electronics rose 1.8%, while SK hynix gained 2.32% as of 9:16 a.m. Hyundai Motor advanced 1.17%, LG Energy Solution climbed 1.92%, and Hanwha Aerospace added 1.34%.
The move is particularly significant for Korea because the country’s stock market is heavily influenced by semiconductor and technology companies. Lower bond yields generally improve the appeal of growth-oriented stocks, while stronger U.S. technology shares can provide an additional boost to Korean chipmakers.
The recovery also follows a highly volatile session on Thursday.
The KOSPI closed Thursday at 6,579.48, up only 0.26%, after plunging sharply during afternoon trading before staging a dramatic rebound. Samsung Electronics and SK hynix nevertheless remained under pressure at the close.
Why investors are still watching the U.S. data
Despite Friday’s rally, investors are not treating the latest gains as a guarantee that the rate threat has disappeared.
The next major test is U.S. economic data.
Market participants are watching the August U.S. employment report, followed by inflation indicators including the Consumer Price Index and Producer Price Index. Stronger-than-expected economic or inflation readings could revive expectations for additional Federal Reserve tightening.
That creates a potentially uncomfortable setup for investors: today’s rally is based partly on the expectation that the Fed may pause, but the next round of data could quickly challenge that assumption.
Geopolitical risks haven’t disappeared
The interest-rate story is also unfolding against a volatile geopolitical backdrop.
Reuters reported that global markets had found some temporary calm as oil prices stabilized and bond-market pressure eased, but tensions surrounding the U.S.-Iran conflict remained unresolved.
Oil prices remain particularly important because a renewed energy-price surge could intensify inflation pressures and complicate the Federal Reserve’s policy decisions.
That risk was visible in Seoul earlier this week. The KOSPI suffered a major sell-off amid Middle East tensions, higher oil prices and renewed concerns about U.S. monetary tightening before rebounding.
The Korean won also strengthens
The Korean currency added to the more positive tone.
The won was quoted at 1,356.7 won per U.S. dollar as of 9:16 a.m., strengthening 0.8 won from the previous session’s close.
A stronger won can help ease some pressure from imported costs, although currency markets remain highly sensitive to changes in U.S. interest-rate expectations, oil prices and global risk sentiment.
What comes next for the KOSPI?
Analysts expect the Korean market to remain highly sensitive to incoming U.S. economic data rather than simply extending Friday’s opening rally.
Kiwoom Securities researcher Han Ji-young said the combination of falling U.S. rates, Wall Street gains and a strong KOSPI 200 overnight futures market pointed toward a stronger opening, while investors would likely watch the U.S. employment report and the direction of the Japanese yen during the session.
The broader picture is therefore more complicated than a simple “stocks up” story.
South Korean equities are receiving support from easing rate fears, strong technology stocks and lower U.S. yields. But inflation, U.S. employment data, oil prices, currency movements and geopolitical tensions could all change the mood rapidly.
For now, Seoul’s stock market has been given a reprieve. The bigger question is whether the Fed’s next inflation and jobs signals will allow that relief rally to continue — or send investors running for cover again.
WWC ONE MEDIA G.A
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