Many of 2026’s hottest stocks have seen dramatic comedowns this week

MarketWatch Friday 16 October 2026, 16:09 UTC By Philip van Doorn 1 min read

Key Points

Many of the best-performing stocks of 2026 fell this week, while this year’s biggest losers also changed course,

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CoreWeave's CEO sold nearly $1 billion of stock since IPO, filings show Oct 16 : CoreWeave CEO Michael Intrator and entities linked to him have sold nearly $1 billion of stock, mostly under prearranged trading plans, since the AI cloud company's IPO in March last year, according to regulatory filings. The sales began about two months after the stock hit a record high in June 2025. The shares have tumbled since and were on track to lose about 24 per cent this week as investors worried about...

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Many of 2026’s hottest stocks have seen dramatic comedowns this week

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