Shares of financial services firms tanked Tuesday after the launch of a new tax planning tool powered by artificial intelligence that promises to do the work "within minutes." LPL Financial tumbled nearly 11%, while Charles Schwab and Raymond James Financial both dropped more than 9% amid fears that AI will disrupt their industry next. Morgan Stanley dropped 4%. Tech platform Altruist announced the offering within its AI platform, Hazel, and said it "helps advisors create fully personalized tax