The market sent contradictory signals Wednesday. The Nasdaq suffered distribution, a sign of institutional selling, while the NYSE showed accumulation, a sign of institutional buying. New highs and new lows didn't seem especially interested in choosing sides in this debate. A few stocks surged to new highs decisively. A few did so hesitantly. A few former leaders sagged to new lows. Internet search engine Baidu (BIDU) was a leader in the market