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Original OpenBook briefings based on public market reporting, updated through the day. Follow an instrument on its market page.
South Korea will impose stricter cyber checks on 130 banks and crypto companies after a review uncovered security gaps.
Bitcoin-mining stocks drop 13% amid a surge in AI infrastructure firms, marking the steepest Wall Street sell-off since July.
VanEck has withdrawn its filing for the Lido Staked Ether ETF, halting the planned launch.
Anthropic reports a revenue increase as investors weigh AI infrastructure costs before its market debut.
Rising inflation and borrowing costs prompt investors to reassess the AI boom, causing volatility in tech shares.
A 60-40 blend matches the performance of an all-equity portfolio over the past 30 years, suggesting diversification remains prudent.
Neutron, a medium-lift rocket meant to rival SpaceX’s Falcon 9, will no longer launch this year.
Industry groups are pushing for summary judgment to challenge Illinois' 0.2% crypto asset tax after a six-month implementation pause.
Proposed limits on Social Security COLA could affect retirees’ monthly benefits.
Small-cap equities fell 10% in two months after hitting a record high, signaling a sharp reversal for mid-size firms.
Analysts note limited upside for Dell and HPE as memory component market dynamics may curb further gains.
CoreWeave's AI-focused bonds dropped to 81¢, generating a 15% yield, sparking concerns about credit market stress.
