Aastrom Biosciences (ASTM -7.8%) trades near its 52-week low today, after the company reported...

|By:, SA News Editor

Aastrom Biosciences (ASTM -7.8%) trades near its 52-week low today, after the company reported bigger Q4 losses Y/Y in yesterday's after hours session. Bottom line margins were hit hard by heavy SG&A charges for non-cash stock based compenstation, plus higher overall R&D costs.