Ackman revealed his hedge fund sold Starbucks and picked up Domino's shares following a pullback. : Billionaire hedge fund manager Bill Ackman said his Pershing Square built a 6% stake in Domino's Pizza, swapping out its Starbucks bet. Ackman revealed his hedge fund sold Starbucks after the coffee chain's swift rebound from the pandemic, and at the same time, he picked up Domino's shares following a pullback. "We sold Starbucks. It got to a price that it was hard to earn the excess return we like to earn...