Bill Ackman’s Pershing Square just boosted its $GOOGL (+0,67 %) position by 21% and disclosed a new $1.28B stake in $AMZN. (-0,39 %)

Bill Ackman’s Pershing Square just boosted its $GOOGL (+0,67 %) position by 21% and disclosed a new $1.28B stake in $AMZN. (-0,39 %)