US STOCKS-Futures edge up as investors await ECB, data
* ECB President Draghi to speak before market open
* Crude oil jumps 1.6 pct, builds on Wednesday gain
* F5 Networks down in premarket after results, outlook
* Futures up: Dow 42 pts, S&P 4.5 pts, Nasdaq 4.75 pts
By Ryan Vlastelica
NEW YORK, Jan 22 (Reuters) - U.S. stock index futures gained slightly as investors awaited confirmation that the European Central Bank would announce new economic stimulus measures at a meeting on Thursday.
* The ECB is widely expected to unveil a large bond-buying program, which is designed to combat the risk of deflation and a weakening euro zone economy. A source told Reuters Wednesday the Executive Board had proposed that the bank buys 50 billion euros ($58 billion) in bonds per month from March.
* Equities rose on that report, with many U.S. stocks standing to benefit from accommodative programs in Europe, one of the United States' key trading partners.
* ECB President Mario Draghi will speak to the media at 8:30 a.m. (1330 GMT), and if the details of the plan are perceived as inadequate to return inflation to target, that could spur market losses, especially with the benchmark S&P 500 within 3 percent of its record closing high. Continuación...