  |  | S&P 500 posts biggest gain since Jan 2013; tech leads | NEW YORK (Reuters) - The S&P 500 posted its biggest jump since January 2013 on Thursday, extending a Fed-fueled rally from the previous session, as tech shares gained after stronger-than-expected results from Oracle. | |  | |   |  | Canada unveils plan to auction wireless spectrum | TORONTO (Reuters) - The Canadian government unveiled a major update to its plan to allocate airwaves for mobile use on Thursday, and said an auction of high-frequency AWS-3 spectrum will begin on March 3, 2015. | |  | |   |  | Goldman's Waldron promoted to co-head of investment banking | NEW YORK (Reuters) - Goldman Sachs Group Inc has promoted John Waldron to co-head of its investment banking business, replacing John S. Weinberg, a vice chairman whose family has been in the senior echelons of the investment bank since the 1920s. | |  | | |  |  |  | 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 | |