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Semiconductor stocks have made investors' fortunes over the past four years, and by extension, semiconductor ETFs turned into the best-performing names.

European semiconductor stocks moved sharply on Thursday after earnings updates, with Soitec surging on strong photonics demand linked to artificial intelligence applications, while ​STMicroelectronics and BE Semiconductor Industries (Besi) fell as investors reacted to weaker near-term ‌performance and elevated growth expectations.

A White House official accused China's Moonshot of improperly using US AI models and Nvidia chips to create the Kimi K3. Here's what it means for tech and plans for a Trump-Xi summit.

Asian stocks rallied on Wednesday as investors returned to semiconductor shares after a bruising sell-off, taking their cue from a Wall Street rebound even as Brent crude pushed further above $91 a barrel. MSCI's Asia-Pacific gauge outside Japan gained 1.2%, while South Korea's Kospi surged more than 6% and Japan's Nikkei 225 climbed 1.9%.

Chip stocks surged and early Q2 reports crushed expectations, but the bigger question is whether this momentum can hold as the week's heaviest hitters prepare to report.