Baidu's stock could be a value trap.The last few years have been challenging for most Chinese companies, with many seeing their market capitalization decline by more than 50%.While most investors shun these Chinese companies, contrarian investors have been busy hunting for good companies that are trading at bargain prices. Baidu (BIDU 0.52%), a leading Chinese technology company, captured investors' attention lately. A combination of low stock prices and the prospects from its newer ventures in areas like a ...