iRhythm begins notifying patients after June 2026 data breach
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StreetInsider.com Top Tickers, 10/22/2026
- S&P 500, Nasdaq end sharply lower as revived AI doubts ignite tech selloff
- Meta’s new Class C stock to keep Zuckerberg in California, fund AI spending spree
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- Meta beats Q3 estimates, approves new nonvoting share class as AI spending surges
- Tesla stock up as automotive gross margin improves, free cash flow turns positive
