American Oriental Bioengineering (NYSE:AOB) has been downgraded by TheStreet Ratings from from a hold to sell.
Shares of American Oriental Bioengineering (NYSE:AOB) have taken a tremendous swing upward. The stock is trading at $1.83 as of 3:31 p.m. ET, 20.4% above Tuesday's closing price of $1.52. Volume is at 1.7 million, 4.5 times the daily average of 372,700.
A day after China MediaExpress says its CFO and audit firm have resigned, a handful of small-cap Chinese stocks sold off sharply.