The top aftermarket NYSE Losers Friday were: Pharmerica Corp, MGIC Investment, Telefonos de Mexico, K-V Pharmaceutical, Alon USA Energy, Kindred Healthcare, Vitamin Shoppe and FelCor Lodging Trust.

Pharmerica Corp. (NYSE:PMC) shares slumped 9.23 percent to $12.98 in aftermarket trading session. The Federal Trade Commission issued a complaint to block Omnicare Inc.'s hostile acquisition of PMC alleging that the combination of the two largest U.S. long-term care pharmacies would harm competition and enable Omnicare to raise the price of drugs for Medicare Part D consumers and others.

MGIC Investment Corp. (NYSE:MTG) shares plunged 5.52 percent to $3.91 in aftermarket trading session. The company stock surged nearly 7 percent in regular trading session.

Telefonos de Mexico SA (NYSE:TMX) shares declined 2.57 percent to $15.16 in post market trading session. The stock has a 52-week low of $14.08, a 52-week high of $19.28 and $14.05 billion in market capitalization.

K-V Pharmaceutical Co. (NYSE:KV.A) shares declined 2.37 percent to $2.06 in post market trading session.

Alon USA Energy Inc. (NYSE:ALJ) shares declined 2.13 percent to $9.65 in aftermarket trading session.

Kindred Healthcare Inc. (NYSE:KND) shares declined 1.94 percent to $13.15 in post market trading session. The company stock surged more than 6 percent in regular trading session.

Vitamin Shoppe Inc. (NYSE:VSI) shares declined 1.72 percent to $43.02 in aftermarket trading session. The stock has a 52-week low of $30.93, a 52-week high of $48.36 and $1.28 billion in market capitalization.

FelCor Lodging Trust Inc. (NYSE:FCH) shares declined 1.65 percent to $3.83 in post market trading session.