Shares of Thoratec Corp. (THOR) are higher in after-hours trading after Oracle Investment...

|About: Thoratec Corporation (THOR)|By:, SA News Editor

Shares of Thoratec Corp. (THOR) are higher in after-hours trading after Oracle Investment Management sends a letter to Thoratec's Board of Directors urging them to retain an investment bank and begin looking for a suitable buyer. Shares +3.4% AH.