Targacept (TRGT) and JCPenney (JCP) were among the biggest losers in early trading Tuesday. The morning’s list of biggest losers includes some new names and a couple of familiar ones that had already been having a bad week.
 As the broader market posted losses, there were several stocks that had an exceptionally rough morning.
As the broader market posted losses, there were several stocks that had an exceptionally rough morning.
Take a closer look at a few of Tuesday’s biggest stock losers.
Biggest Stock Losers
Targacept (TRGT, -34%): TRGT shares fell 34% following the biopharmaceutical company’s announcement that it will stop testing a therapy for schizophrenia and Alzheimer’s disease. TC-5619 was seen as a potential therapy for certain symptoms of schizophrenia and Alzheimer’s but Targacept dropped it after schizophrenia patients showed no improvement to the drug.
Rockwell Medical Technologies (RMTI, -25%): After a month of steady decline, RMTI stock took a massive hit Tuesday morning.
Combimatrix (CBMX, -20%): CBMX stock is down 20% following the molecular diagnostics company’s announcement to price a $12 million underwritten public offering.
Unilife (UNIS, -8.5%): UNIS stock took a tumble in early trading Tuesday following a healthy month that saw its value increase by 59%.
Opko Health (OPK, -7%): OPK stock is one of the week’s biggest stock losers with shares down 27% over the last five days.
Amtrust Financial Services (AFSI, -7%): Insurance company Amtrust has had a good year, but the last five days have seen AFSI shares down 19%.
JC Penney (JCP, -4%): Former JCPenney CEO Ron Johnson spoke out for the first time since losing his job eight months ago. Despite Johnson’s best wishes for the company, JCP stock is down 4% Tuesday morning.
 
	