source:[1] Oracle stock tumbles after earnings, impacting AI sector - qz.com (https://qz.com/oracle-shares-plunge-quarterly ...)[2] Alphabet Just Did Something It Hasn't Done in 7 Years. Time to Buy? - The Motley Fool (https://www.fool.com/investing/2025/12/11/alp ...)[3] Buy Or Sell Google Stock? - Forbes (https://www.forbes.com/sites/greatspeculation ...)