Cybersecurity giant Symantec surges 10% after a $6 billion activist buys a stake (SYMC)

Shares of Symantec jumped as much as 10% to $20.50 Thursday after Starboard reported a stake in the cybersecurity giant.
Starboard, which manages roughly $6 billion, has taken a 5.8% stake in Symantec and nominated five directors to the board.
The stock surge recovers some of the price loss after Symantec fell sharply after bad earnings earlier this month.
Follow Symantec's stock price in real-time here.
Shares of Symantec surged as much as 10% to $20.50 Thursday on trading a