KOSPI 4surges to open, Samsung Electronics and SK hynix lead gains

2026year 7month 10day morning, the KOSPI opened strongly, rising by 4%, drawing concentrated investor attention in the early session. For investors, a sharp rise in the index immediately affects the valuation of their holdings.

Immediately after the market opened, the KOSPI started 260.58points higher at 7,552.49. At the same time, the KOSDAQ opened 13.00points (1.64%) higher at 807.00.

Samsung Electronics rose 4.5% in early trading. Large-cap IT stocks are driving the market higher.

Alteogen rose by 8% and Wonik IPS surged by 10%. Strength was observed among small- and mid-cap technology and biotech stocks.

The top 1% of investors were reported to have focused their buying on SK hynix. Trading by investor type drew attention.

The financial and insurance sectors also showed gains together. The differences in the scale of increases between sectors were significant.

Meanwhile, as volatility in AI-related stocks expanded during the session, selling by retail investors was also detected. Scenes of sharp intraday shifts were repeated.

In summary, 7 month 10 began with large-cap buying and sharp gains in some small- and mid-cap stocks overlapping, sending the index sharply higher. The final confirmed movements in the afternoon session and at the close warrant attention.