(Bloomberg) — Investors soured on the promise of artificial intelligence Wednesday, sparking a $1 trillion rout in the Nasdaq 100 Index as questions swirled over just how long it will take for the substantial investments in the technology to pay off.Most Read from BloombergHarris Just Showed Why Trump Is So Afraid of HerI Changed My Mind. The Fed Needs to Cut Rates Now.What Initial Polling Data Show About the Trump-Harris MatchupStocks Get Hit as ‘AI Trade’ Slams Into a Wall: Markets WrapHarris