* Stock index futures pointed to a mixed open for U.S. shares on Wednesday, following a surge in the previous session.
* At 1030 GMT, futures for the Dow Jones DJc1 were flat; those for the S&P 500 SPc1 were up 0.l percent and those for the Nasdaq NDc1 were down 0.2 percent.
* Macro data due includes sales of existing homes in January. A Reuters poll suggests sales will have risen to an annual pace of 4.79 million units.
* Retailer Limited Brands LTD and flow control systems provider Flowserve FLS are among those reporting fourth-quarter results.
* First Solar (FSLR.O) shares slid after the closing bell on Tuesday after the designer and manufacturer of solar modules said the short-term outlook for the solar industry has never looked more difficult. For details see [ID:nWEN5041]
* Shares of Wynn Resorts (WYNN.O) tumbled more than 11 percent to $22.90 in extended trade on Tuesday after the company posted fourth-quarter adjusted earnings of 13 cents a share, well below Wall Street estimates of 41 cents a share.
* Stocks rose more than 3 percent on Tuesday to snap back from 12-year closing lows, after Bernanke signalled that nationalisation of big banks was not at hand.