After Hour Gainers / Losers

• Top gainers, as of 5:15 p.m.: EHIC +5.7%. BURL +4.3%. ROC +3.7%. NBIX +3.4%. RUSS +3.1%.
• Top losers, as of 5:15 p.m.: SEM -4.4%. POZN -2.3%. RUSL -2.1%. EXK -2.1%. MCO -1.9%.