SK Hynix Stocks Drop 9% as KOSPI Triggers Circuit Breaker

SK Hynix stocks dropped over 9% in early trading, while the KOSPI index fell as much as 5%. At 10:29 AM, the KOSPI traded at 6245.73, down 5.35% from the previous session. The decline followed pre-market trading on Nexttrade where 11 shares of SK Hynix were executed at the lower limit of 1,168,000 won immediately at 8:00 AM opening. Market analysts attribute the main market decline to deteriorating investor sentiment triggered by the pre-market lower-limit execution. At 10:18 AM, the KOSPI activated a sell-side circuit breaker, a market stabilization measure that triggers when KOSPI 200 futures prices fall 5% or more for one minute.

KOSPI Activates Sell-Side Circuit Breaker at 10:18 AM

The KOSPI market implemented a program sell order temporary suspension (sell-side sidecar) at 10:18 AM. The circuit breaker activated after KOSPI 200 futures prices fell 5% or more compared to the previous trading day and maintained that level for one minute. The KOSPI opened at 6478.75, down 1.81%, and initially moved sideways around 2% before the decline accelerated.

Pre-Market Trading Shows SK Hynix at Lower Limit

Pre-market trading on the alternative exchange Nexttrade operates from 8:00 AM to 8:50 AM. At 8:00 AM opening, 11 shares of SK Hynix were executed at the lower limit price of 1,168,000 won, representing a 29.98% drop from the previous day. A market official stated that the pre-market lower-limit execution spread butterfly-effect-like influence to the main market. On May 28, one share of SK Hynix was also executed at the lower limit of 1,272,000 won at 8:00 AM immediately after pre-market opening.

Major Stocks Record Sharp Declines

Among top market capitalization stocks, SK Hynix traded at 1,512,000 won, down 9.35% from the previous day, pulling down the KOSPI index. At the same time, Samsung Electronics traded at 230,500 won, down 6.3% from the previous session.

FAQ

What happened to SK Hynix stocks in early trading? SK Hynix stocks fell 9.35% to 1,512,000 won in early trading, following pre-market trading where 11 shares were executed at the lower limit of 1,168,000 won at 8:00 AM on Nexttrade.

Why did the KOSPI activate a circuit breaker? The KOSPI activated a sell-side circuit breaker at 10:18 AM because KOSPI 200 futures prices fell 5% or more compared to the previous trading day and maintained that level for one minute, triggering the market stabilization measure.

How much did the KOSPI index fall? At 10:29 AM, the KOSPI traded at 6245.73, down 5.35% from the previous trading session, after opening at 6478.75, down 1.81%.