American Oriental Bioengineering has generated more than its fair share of financial engineering news during the first four days of this week. On Monday, the company announced it would buy back up to $75 million of its shares. On Tuesday, the company announced plans to offer $125 million in aggregate liquidation preference convertible preferred stock, and on Thursday, it rescinded the convertible preferred stock offer, citing market conditions. We look at the announcements and compare them to the solid results of the company's business.  More details...

Stock Symbol: (NYSE: AOB) (OTCBB: CAXG)