LONDON (Reuters) - A global equity rally fuelled by a dramatic surge on Wall Street ran out of steam on Thursday, setting U.S. shares up for a weak opening after a fall in Chinese industrial profits offered a reminder of the pressures on the world economy. Still, world stocks stayed off near two-year lows, lifted by Wednesday's 1,000 point-plus surge on the U.S. Dow Jones index which was triggered partly by the strongest holiday sales in years.Stocks in Asia and Europe initially took their cue..