|     |     |   |  |     | Obama vows U.S. response to North Korea over Sony cyber attack |    | WASHINGTON (Reuters) - President Barack Obama vowed on Friday   to respond to a  devastating cyber attack on Sony Pictures that   he blamed on North Korea, and scolded the Hollywood studio for   caving in to what he described as a dictator trying to impose   censorship in the United States. |  |  |  |      |     |    |  |     | Oil jumps 5 percent second time in week on short-covering |    | NEW YORK (Reuters) - Oil prices jumped more than 5 percent on   Friday for a second time in a week as short-covering alleviated   pressure in a market dominated by sellers the past six months,   and lighter-than-usual pre-holiday volume exaggerated the move   higher. |  |  |  |      |     |   |  |     | Oil, stocks go their separate ways |    | NEW YORK (Reuters) - Investors have wrung their hands over the   last several weeks over the effect of lower oil prices on the   broader S&P 500, but the relationship between the two is actually   starting to break down. |  |  |  |      |     |   |  |     | EU widens trade row with new Boeing subsidy claim |    | GENEVA (Reuters) - The European Union opened a new front in a   decade-old dispute over aircraft subsidies on Friday, launching   a complaint at the World Trade Organization alleging illegal   tax breaks in Boeing's  home state of Washington. |  |  |  |  |     |  |    |     |  |    |  |    |     | 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 |  |