Top Pre-Market Gainers and Losers

Gainers: Portage Resources POTG is up over 12%. Westport Innovations WPRT is up over 7% after the company announced a deal with General Motors GM to develop natural gas-powered engines. LinkedIn LNKD is up over 6% after JP Morgan initiated coverage of the company with an Overweight rating. Hillenbrand HI is up over 5%. Standard Microsystems SMSC is up over 5% after the company saw its profits increase almost 10x quarter-over-quarter. Losers: Guinness Anchor GUANF is down over 9%. CNA Financial CNA is down over 8%. MBIA MBI is down over 7%. KBC Groep NV KBCSF is down over 6% on speculation that some banks could fail an upcoming European stress test. AXA SA AXAHF is down over 5% on speculation that some banks could fail an upcoming European stress test.