The Mag-7 just posted one of its biggest down days in years. Yet hedge fund positioning has already been reset to near multi-year lows.

Has Wall Street become too bearish on America's biggest cash machines? Hedge funds have cut exposure aggressively, dealers are short gamma, and expectations have been reset just…

The Mag-7 just posted one of its biggest down days in years. Yet hedge fund positioning has already been reset to near multi-year lows.