Korean stocks surged in morning trading, with the KOSPI index climbing 6.37% to 7293.82 as of 9:38 AM, recovering above the 7300 level. The rally was driven by slower US inflation data and a rebound in semiconductor stocks, attracting bargain-hunting from foreign and institutional investors following the previous session's sharp decline. Circuit breakers were triggered on both the KOSPI and KOSDAQ markets as futures prices jumped more than 6% within minutes of the opening bell.
KOSPI and KOSDAQ Markets Trigger Buy-Side Circuit Breakers
The Korea Exchange activated a buy-side sidecar at 9:06 AM on the main KOSPI market, halting program buy orders for five minutes. At the time of the trigger, KOSPI 200 futures had risen 71.50 points (6.50%) to 1170.60 from the reference price. The KOSDAQ market also triggered a buy-side sidecar at 9:17 AM, when KOSDAQ 150 futures climbed 83.00 points (6.11%) to 1439.50 and the KOSDAQ 150 spot index gained 79.44 points (5.86%) to 1433.80.
According to MPDoctor data, foreign investors and institutional investors were net buyers of 686.1 billion won and 148.9 billion won respectively as of 9:38 AM. Individual investors sold a net 838.7 billion won. Program trading showed a net selling position of 959.6 billion won combining arbitrage and non-arbitrage transactions.
Samsung Electronics and SK Hynix Lead Semiconductor Stock Rally
Samsung Electronics traded at 278,500 won, up 15,500 won (5.89%) from the previous session. SK Hynix surged 213,000 won (11.13%) to 2,126,000 won. Other major gainers included SK Square (16.47%), Samsung Electro-Mechanics (10.87%), Samsung Life Insurance (6.78%), LG Energy Solution (5.43%), and Hyundai Motor (2.59%).
Large-cap stocks rose 7.24%, outperforming mid-cap stocks (3.10%) and small-cap stocks (2.01%). The electrical and electronics sector jumped 8.54%, while manufacturing and machinery sectors gained 7.52% and 7.39% respectively. The entertainment and culture sector declined 0.04%.
The KOSDAQ index stood at 821.36 as of 9:38 AM, up 37.38 points (4.77%). Individual and foreign investors were net buyers of 700 million won and 4.8 billion won respectively, while institutional investors sold a net 4.8 billion won. Program trading showed a net buying position of 6.2 billion won.
Analysts Cite US Inflation Data and Technical Rebound as Key Drivers
Kim Yu-mi, a researcher at Kiwoom Securities, stated: "The Korean stock market is showing strength, reflecting gains in KOSPI 200 night futures and the Philadelphia Semiconductor Index. Given the recent sharp decline centered on semiconductor stocks, technical retracement from the expanded losses and inflow of bargain-hunting are supporting the index rebound."
Kim added: "US consumer prices slowed more than expected, alleviating concerns about re-acceleration of inflation and additional tightening by the Federal Reserve. However, for a trend recovery in semiconductor stocks, AI investment and memory demand need to be confirmed through earnings. It is necessary to watch ASML and TSMC's earnings, orders, and capital expenditure guidance scheduled for this week."
US markets closed higher the previous night. The Dow Jones Industrial Average rose 9.63 points (0.02%) to 52,508.27. The S&P 500 gained 28.25 points (0.38%) to 7,543.59, and the Nasdaq climbed 233.83 points (0.90%) to 26,107.01. AI-related semiconductor stocks led the technology sector rally after US June CPI data came in below market expectations.
FAQ
What caused Korean stocks to surge on this trading day?
Korean stocks surged 6.37% in morning trading driven by slower US inflation data and a rebound in semiconductor stocks. Foreign and institutional investors engaged in bargain-hunting following the previous session's sharp decline, with Samsung Electronics rising 5.89% and SK Hynix jumping 11.13%.
What is a sidecar circuit breaker and why was it triggered?
A sidecar is a market safety mechanism that halts program buy orders for five minutes when futures prices rise rapidly. The KOSPI market triggered a buy-side sidecar at 9:06 AM when KOSPI 200 futures rose 6.50% to 1170.60, and the KOSDAQ market triggered one at 9:17 AM when KOSDAQ 150 futures climbed 6.11% to 1439.50.
