Asia tech stocks extend sell-off with SoftBank down over 7% as investors sour on AI-linked names

SoftBank Group's shares drop 7.5% amid sell-off in Asian tech stocks. Samsung Electronics and SK Hynix fall 5% and 2% respectively. The Kospi drops 8% as the two firms account for over 40% of the index. Broadcom's Q2 revenue miss triggers cascade, sending Arm Holdings down 13% and Micron down over 13%. The VanEck Semiconductor ETF loses 9% in the week.