Shares of NeoStem (NBS +11%) post double-digit gains on above-average volume. Earlier today the...

|By:, SA News Editor

Shares of NeoStem (NBS +11%) post double-digit gains on above-average volume. Earlier today the company appointed Stephen Potter Executive VP. Potter most recently served as Senior VP of Operations at Osiris Therapeutics and previously was Senior VP of Corporate and Business Development at Genzyme. (Also: SA contributor Equity Options Guru says "key milestones" should get investors excited about NBS)