Like the ups and downs of the stock market, life also experiences the peaks and valleys of existence. Some people become famous overnight, while others suffer irredeemable losses from a single misstep. Under the glare of the spotlight, let's take stock of the celebrities in the entertainment industry who have become infamous due to a "fall." Review: Stars in the entertainment circle who became known for their downfall - the "Green Tea Boyfriend" -- Xiao; Charlene Choi -- from "innocent girl next door" to "..."