Concerns about an AI bubble send South Korean stocks plunging 4%.

According to Huoxun Finance, on November 5th, South Korean stocks plunged more than 4% on Wednesday, continuing the trend of a sharp decline in Wall Street markets due to concerns about overvaluation and an artificial intelligence bubble. On the same day, the South Korean KOSPI index fell 135.79 points (3.29%) within 15 minutes of opening, falling below 4000 points again after more than a week of breaking through the 4000-point mark. Market leader Samsung Electronics fell 4.29%, its chip manufacturing rival SK Hynix fell 4.78%, and Hyundai Motor and Hanwha Aerospace both fell more than 3%. Overnight, major U.S. stock indexes closed lower, with blue-chip technology stocks such as Nvidia and Palantir declining due to concerns about an AI bubble, and Wall Street executives indicating that the market might pull back for further development.