Pershing Square Capital Management CEO Bill Ackman revealed new bets on the Magnificent 7 stocks in the second quarter, taking a new stake in Amazon.com Inc (NASDAQ:AMZN) and increasing a bet on Alphabet Inc (NASDAQ:GOOG) (NASDAQ:GOOGL).After being down in the third quarter, Ackman’s new stake in Amazon is turning out to be a nice bet.What Happened: Ackman revealed a new position in Amazon stock during the second quarter, making the e-commerce giant the fourth-largest holding in the Pershing Square Holdings ...