I want to say a quick word about stocks that experience big price increases in daily trading. I can usually predict that I’ll get a couple of questions about any emerging markets stock that throws a double-digit percentage rise in a day. That kind of jump is just catnip to investors who are tired of a market grinding downtrend and hunger for some upside. My example is SinoHub (SIHI), a Chinese supply chain manager and order fulfillment service for cell-phone components that has suffered through a precipitous drop since it came public in August 2009. The stock hit its...
