The sale of the controlling interest in the insurance platform represents a significant and rapid return on investment for White Mountains.
Disruption at a key California facility could tighten fuel markets, boosting margins for competing refiners in an already vulnerable region.
All-stock deal aims to create a diversified semiconductor equipment leader, though Axcelis shares dip on the news.
The all-cash deal allows Occidental to pay down significant debt and sharpen its focus on core oil and gas exploration.
Hardware manufacturer Canaan's landmark U.S. order and Cipher Mining's strategic AI partnerships fuel renewed investor confidence.
Fair Isaac's new direct-to-lender model threatens a core revenue stream for TransUnion and Equifax, sending shares sharply lower.
Broadcom leads the charge as tech giants like Microsoft and Meta pour billions into AI chips, boosting the entire sector.
A rally in a micro-cap explorer sparks sector-wide gains, with Lithium Americas jumping over 23% on speculative interest in domestic supply.