LONDON (Reuters) - Dow Jones futures were down 4.9 percent at 4:25 a.m. EDT on Friday, S&P 500 futures traded 5.6 percent lower and Nasdaq futures fell 4.8 percent, pointing to a weaker opening when U.S. stock market trading starts at 9:30 a.m. EDT.
* Downbeat corporate earnings outlooks linked to the credit crisis and global recession fears hammered Asian stock markets, with Japan's Nikkei down almost 10 percent to a 5-1/2-year low. European stocks followed suit.
* The U.S. Treasury Department and banking regulators plan to announce on Friday or this weekend the next round of banks receiving capital injections, according to a source familiar with Treasury's thinking.
* Movers after Thursday's closing bell included Microsoft, up 5.3 percent, Flextronics, up 5 percent, Juniper Networks, up 2.4 percent, and Netgear, down 3.6 percent.
* S&P 500 companies due to report: Exelon Corp, Gannett, ITT Corp, Rowe Price, UST Inc. and Western Alliance Bancorp.
* Economic data: existing home sales for September at 1400 GMT, ECRI weekly economic activity index due at 1430 GMT.
(Reporting by Peter Starck)