  |  | U.S. GDP revised down, but hints of economic thaw emerge | WASHINGTON (Reuters) - The U.S. government slashed its estimate for fourth-quarter economic growth on Friday in the latest sign of a loss of momentum, but some tentative signs emerged that suggested the worst of the slowdown may be over. | |  |  |  | Fed may need to let inflation run hot to meet goals: Evans | NEW YORK (Reuters) - The Federal Reserve should be willing to let inflation temporarily run above its target level so as to more quickly bring the economy back to health, a top Fed official said on Friday, even as a second policymaker signaled the very idea left him cold. | |  | |  |  | Mt. Gox files for bankruptcy, hit with lawsuit | TOKYO (Reuters) - Mt. Gox, once the world's biggest bitcoin exchange, filed for bankruptcy protection in Japan on Friday, saying it may have lost nearly half a billion dollars worth of the virtual coins due to hacking into its faulty computer system. | |  | |   |  | Sears says investigating possible security breach | BOSTON (Reuters) - Sears Holdings Corp said Friday it has launched an investigation to determine whether it was the victim of a security breach, following Target Corp's revelation at the end of last year that it had suffered an unprecedented cyber attack. | |  | |   |  | Legal test central to U.S. union challenge of VW plant vote | (Reuters) - A bid by the United Auto Workers union to invalidate the results of an election it lost at a Tennessee Volkswagen plant may hinge on the novel application of a legal test used by U.S. labor regulators to assess third-party interference. | |  | | |  |  |  | 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 | |