U.S. stocks slipped at the opening bell on Friday, following a weaker-than-expected January jobs report. The economy added 151,000 jobs during the month, missing estimates of about 190,000. Plus, December's numbers were revised downward to 262,000 from 292,000. Average hourly wages rose 0.5 percent during the month, compared to flat growth in December. 'We downshifted by 100,000 jobs between December and January - some of it was [due to] weather,’ said John Canally, chief economist at LPL Financial. Meanwhile, LinkedIn (LNKD) posted quarterly net income of $0.94 a share, beating estimates of $0.78 a share. However ,the stock crashed amid weaker than expected guidance. Plus, Lions Gate (LGF) reported earnings of $0.45 a share, missing estimates by a few cents amid disappointing sales from its recent ‘Hunger Games’ movie. TheStreet’s Scott Gamm reports from Wall Street.