Japan's Nikkei 225 fell 3.00% intraday to 63,229.63 points. Kioxia shares dropped 6.6%, SoftBank Group fell 6.3% and Advantest declined 6.5%.

ECB President Lagarde said the earlier euro-yen joint intervention amounted to €500 million.

Oil jumped more than 6% on Thursday as Middle East tensions raised supply concerns, sending both Brent and WTI futures above $100. November Brent settled up $6.42, or 6.34%, at $107.63/bbl; October WTI rose $6.43, or 6.69%, to $102.48/bbl — the highest close since May 19 and the biggest one-day gain in nearly two months. Sources said Houthi forces took control of Yemen’s Mocha port on Thursday, a move that could further threaten Red Sea shipping. Recent tanker attacks in the Gulf have also constrained traffic through the Strait of Hormuz. Masabuni, head of business development at XS.com, said Houthi strikes on Saudi energy facilities introduce a new risk vector that could extend disruptions from Iran and the Strait of Hormuz to regional export routes, production sites and other energy infrastructure.