The New York Stock Exchange opened slightly higher on Thursday, thanks to a higher-than-expected unemployment figure and a lull in bond yields, but investors remain on hold ahead of the monthly jobs report, due Friday. Around 2:55 p.m. GMT, the Dow Jones gained 0.42%, the Nasdaq index gained 0.57% and the broader S&P 500 index, 0.47%. Tipped downward before the opening, the market turned around after the publication of weekly jobless claims at the highest since December, at 211,000. “Wall Street hopes to see a labor market which…