|     |   |  |     | Wall St. rises on oil, M&A |    | NEW YORK (Reuters) - U.S. stocks ended sharply higher on Thursday   as energy shares bounced with oil prices, while news Pfizer   would buy Hospira in a massive deal also lifted boosted sentiment. |  |  |      |     |    |  |     | Hiring business drives LinkedIn revenue beat |    | (Reuters) - Corporate networking site LinkedIn Corp  reported   a higher-than-expected 44 percent jump in quarterly revenue   as more business used its services to assess candidates for   employment. |  |  |  |      |     |   |  |     | U.S. trade deficit widens; weekly jobless claims up modestly |    | WASHINGTON (Reuters) - The U.S. trade deficit in December widened   sharply to its highest level since 2012 as a stronger dollar   appeared to suck in imports and weigh on exports, which could   see the fourth-quarter economic growth estimate revised lower. |  |  |  |      |     |   |  |     | Greek, German ministers clash as ECB snub hits Athens' banks |    | ATHENS/BERLIN (Reuters) - Greece's new leftist finance minister   clashed openly with his powerful German counterpart on Thursday   as Athens' borrowing costs leapt and bank shares plunged following   the European Central Bank's decision to stop funding the country's   lenders. |  |  |  |      |   |  |     | For blue-collar America, staffing firms see meager wage gains |    | WASHINGTON (Reuters) - America's vast staffing industry knows   it's time to jack up wages when it becomes difficult to find   enough workers. That isn't happening yet for many blue-collar   jobs, indicating there's still slack in the labor force, top   firms say. |  |  |  |     |  |    |     |  |    |  |    |     | A daily digest of breaking business news, coverage of the US economy, major corporate news and the financial markets. Register Today |  |  |    |  |  |    |     |  |    |  |    |     | The latest Reuters articles on M&A, IPOs, private equity, hedge funds and regulatory updates delivered to your inbox each day. Register Today |  |  |    |  |  |    | » MORE NEWSLETTERS |  |