The top aftermarket NYSE losers Thursday were: Genesis Energy, Neustar, American Eagle Outfitters, Steelcase, Spansion, DSW, VimpelCom, Express and Cott Corp.

Genesis Energy, L.P. (GEL) shares plunged 3.94 percent to $30.70 in post market session. The company announced the commencement of a registered underwritten public offering of 5,000,000 common units representing limited partner interests.

Neustar, Inc. (NSR) shares declined 2.84 percent to $35.93 in aftermarket trading. The company stock gained nearly 3 percent in regular trading after it was upgraded to “outperform” rating from “neutral” rating at Robert W. Baird.

American Eagle Outfitters, Inc. (AEO) shares fell 2.56 percent to $16.72 in post market trading session. The company stock hit 52-week high of $17.20 in regular trading session.

Steelcase Inc. (SCS) shares declined 2.05 percent to $9.10 in post market session as its first quarter earnings outlook fell short of expectations. The company expects first quarter earnings to be in a range of $0.08 to $0.12 per share on revenues of $665 to $690 million, while analysts’ expected net profit of $0.16 per share on revenues of $670.80 million. The company also said that its fourth quarter net profit rose to $15 million or $0.11 per share from $10.4 million or $0.08 per share in the same period a year-ago.

Spansion Inc. (CODE) shares fell 1.68 percent to $11.88 in aftermarket session. Analysts at Pacific Crest downgraded shares of Spansion to a “sector perform” rating from an “outperform” rating.

DSW Inc. (DSW) shares declined 1.67 percent to $54.05 in aftermarket trading. The stock has a 52-week low of $36.48, a 52-week high of $57.06 and $2.38 billion in market capitalization.

VimpelCom Ltd. (VIP) shares fell 1.64 percent to $11.05 in aftermarket trading session. The company announced that Ossama Bessada, VimpelCom Group Executive Vice President and Head of the Europe and North America Business Unit, intends to leave VimpelCom at the end of June in line with his family plan to relocate to Canada. His replacement will be communicated in due course.

Express, Inc. (EXPR) shares declined 1.6 percent to $25.25 in post market trading session. The stock has a 52-week low of $16.12, a 52-week high of $26.27 and $2.28 billion in market capitalization.

Cott Corp. (COT) shares declined 1.54 percent to $6.41 in post market trading session.