Mid-Day Market Update: Thoratec Dips On Downbeat Profit, InvenSense Rises

Midway through trading Friday, the Dow traded up 1.04 percent to 14,985.73 while the NASDAQ surged 1.29 percent to 3,383.74. The S&P also rose, gaining 1.13 percent to 1,615.66. Top Headline Yesterday, LinkedIn (NYSE: LNKD ) issued a downbeat revenue view for the second quarter. LinkedIn posted its first-quarter earnings at $22.6