Citi Starts Prothena Corp (PRTA) at Buy
FREE Breaking News Alerts from StreetInsider.com!
StreetInsider.com Top Tickers, 10/23/2026
- 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
- Oil hits five-month high as Houthi attacks stoke supply fears
- 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
