Elliott Management Corp. has taken a stake of more than $1 billion in EMC Corp. EMC +0.94% EMC Corp. U.S.: NYSE $ 26.98 +0.25 +0.94% July 18, 2014 4:00 pm Volume (Delayed 15m) : 12.84M AFTER HOURS $ 26.98 0.00 0.00% July 18, 2014 5:16 pm Volume (Delayed ...