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S&P 500 logs biggest weekly fall since June as Nasdaq 100 drops 2.5%

NewsFeeds update

US stocks fell on 16 October, with the S&P 500 down 1.1% for its biggest weekly drop since June and the Nasdaq 100 down 2.5% on the day, its worst week since April 2025. Higher oil prices revived inflation worries, while doubts over the AI investment boom hit chip stocks and CoreWeave.

MacroPANewsAIBearish

Read the original on PANews

The story so far: KOSPI decline led by chipmakers

An AI-led selloff after Democratic US midterm wins hit Asian chip stocks and pushed the KOSPI down over 5%. South Korea's finance minister called an emergency market meeting and exempted broker margin guarantees for three months; the waiver of the 140% margin loan collateral rule now runs three months from 9 November.

Headlines only, oldest first. Open a headline for the full update and the outlet it came from.

  1. South Korea's KOSPI falls more than 1% as SK Hynix and Samsung slide

  2. KOSPI losses widen past 4% as SK Hynix and Samsung slide

  3. South Korean stocks tumble, triggering KOSPI sidecar mechanism

  4. South Korea's KOSPI falls more than 6% to three-month low

  5. South Korea's KOSPI falls 7% as SK Hynix drops 10%

  6. South Korea's KOSPI plunges 8% as SK Hynix and Samsung slide

  7. South Korea's KOSPI falls 9.00% in intraday trade

  8. S&P 500 logs biggest weekly fall since June as Nasdaq 100 drops 2.5%

  9. Nasdaq posts worst week since June as Wall Street reassesses US economy

  10. Samsung and SK Hynix share falls cost South Korea's pension fund $137bn, FnGuide data show

  11. US stocks set to rebound after AI sell-off, BNP's Bhayani says

  12. Lee Jae-myung says South Korea will take steps to normalise stock market

  13. South Korea's president Lee says stock market is deeply undervalued

  14. Kospi falls 1.31% to slip back below 5,700

  15. South Korea's KOSPI falls 4.00% to 5,536.97 points

  16. Kospi falls as much as 4.76% as foreign and institutional investors sell

  17. South Korea's KOSPI closes down 3.73% at 5,553.08

  18. Lee Kyoung-min says AI investment worries linger as Kospi falls 3.73%

  19. South Korea's KOSPI index falls 2.00% during trading

  20. South Korea's KOSPI falls 4.00% intraday to 5,503.73 points

  21. South Korea's KOSPI falls 4% as Samsung and SK Hynix slide

  22. Middle East tensions hit retail investors as Kospi falls 2.08% for the week

  23. South Korea's KOSPI falls 3% in a day as Samsung Electronics drops nearly 6%

  24. South Korea's KOSPI falls 4% as SK Hynix drops more than 7%

  25. Kospi losses widen to 5% as SK Hynix falls nearly 9%

  26. Global tech stocks slump as Nasdaq futures fall 2% and KOSPI triggers circuit breaker

  27. South Korean and Japanese stocks close lower as KOSPI falls 3.5%

  28. Kospi opens down 1.62% as Samsung Electronics falls 2%

  29. Kospi falls 1.5% on first November trading day as US tech stocks tumble

  30. South Korea's KOSPI opens down 2.46%

  31. South Korea's KOSPI index extends fall to 4%

  32. SK Hynix falls 5.3% over 24 hours to $1,040.14

  33. Kang Hye-seong says chip selloff lifts Korean market volatility

  34. Korean stocks turn lower as investors await US midterm results

  35. SK Hynix falls 10.3% in 24 hours to $980.02

  36. Asian chip stocks fall as Democrats sweep US Congress

  37. Kospi falls 5.41% as SK Hynix drops nearly 10%

  38. South Korea's KOSPI falls 5.6% as sell-side sidecars trigger on KOSPI and KOSDAQ

  39. AI regulation fears hit Asian stocks as KOSPI closes down 5.28%

  40. SK Hynix falls 10.5% in 24 hours

  41. Samsung Electronics falls 10.9% in 24 hours to $145.85

  42. US VIX jumps 47% to 24.44 as all three main indices fall

  43. VIX jumps 47% to intraday high of 24.44, highest since 7 April

  44. Samsung Electronics drops 14.2% in 24 hours to $137.53

  45. US stocks slide as VIX jumps 62.73% to 27.03

  46. Nasdaq falls as much as 4.83% intraday as US stocks slide

  47. Wall Street fear gauge jumps as much as 48% intraday

  48. SK Hynix falls 17.9% in 24 hours

  49. South Korea's KOSPI index falls as much as 8% in early trading

  50. KOSPI circuit breaker triggered after index falls more than 8%

  51. South Korea's KOSPI narrows loss to 6.8% after trading halt

  52. Samsung Electronics falls 11.0% in 24 hours to $137.69

  53. Noel Smith says US stock slump looks like hedge fund liquidation

  54. South Korea's KOSPI trims loss to within 5%

  55. South Korea's KOSPI recovers as decline narrows to under 4%

  56. Nomura says South Korea's KOSPI is oversold after an 18% fall since August

  57. SK Hynix falls 11.5% in 24 hours

  58. US stocks post worst single-day fall since March 2020 as hedge funds cut staff

  59. Nasdaq correction history points to recovery after selloff, analysis says

  60. Japan and South Korea stock indices close down about 6%

  61. Saxo's Charu Chanana says it is too early to call a bear market

  62. US stocks fall, Nasdaq drops 5.52% as AI capex worries weigh

  63. South Korea holds emergency market meeting after AI selloff

  64. Wall Street sell-off spread from retail to hedge funds, Vanda Research strategist says

  65. AI bubble fears spark $5.7tn US stock sell-off after midterm results

  66. US 'Magnificent Seven' lose about $1.04tn in a day as AI optimism fades

  67. South Korea to waive brokers' 140% margin loan collateral rule for three months

More Macro updates

  1. Goldman Sachs says gold's slide is driven by speculative unwinding, not real rates

    MacroPANewsAINeutral

  2. Morgan Stanley says add exposure over next two to three weeks after US tech slide

    MacroBloomingbitAIBullish

  3. Foreign investors sell $5.5bn of Samsung Electronics and SK Hynix shares this week

    MacroBloomingbitAINeutral

Every Macro update on NewsFeeds

Every update is a short rewrite, by AI in our own words, of a flash from the outlet named on it, credited and linked. Updates are joined into one story by AI; our editors can change a story’s name or take an update out. Not investment advice.