Bill Ackman’s Pershing Square just boosted its $GOOGL (+0.3%) position by 21% and disclosed a new $1.28B stake in $AMZN. (+0.01%)

Bill Ackman’s Pershing Square just boosted its $GOOGL (+0.3%) position by 21% and disclosed a new $1.28B stake in $AMZN. (+0.01%)