The top after-market NYSE gainers on Thursday are: Southern Union, Navios Maritime Holdings, Noranda Aluminum Holding, Crexus Investment and Vishay Precision Group. The top after-market NYSE losers are: STR Holdings, Lumber Liquidators Holdings, Energy Transfer Equity, New York & Co and Imation Corp.

Gainers:

Southern Union Co. (NYSE:SUG) shares climbed 14.79 in post market trading session. The company confirmed receipt of a proposal by Williams Companies to acquire all of the outstanding shares of Southern Union for $39.00 per share in cash.

Navios Maritime Holdings Inc. (NYSE:NM) shares surged 6.06 percent to $5.25 in aftermarket trading session. The stock has a 52 week low of $4.38 and 52 week high of $6.29 and has $502.74 million market capitalization.

Noranda Aluminum Holding Corp. (NYSE:NOR) shares advanced 4.73 percent to $14.42 in aftermarket trading session.

Crexus Investment Corp. (NYSE:CXS) shares advanced 4.14 percent to $11.08 in post market trading session. The stock has a 52 week low of $10.19 and 52 week high of $13.51 and has $815.24 million market capitalization.

Vishay Precision Group, Inc. (NYSE:VPG) shares advanced 3.33 percent to $18.72 in aftermarket trading session. The company stock plunged more than 4 percent in regular trading session.

Losers:

STR Holdings, Inc. (NYSE:STRI) shares plunged 9.93 percent to $15.06 in post market trading session. The company lowered its second quarter earnings guidance to a range of $0.30 to $0.32 per share from its previous estimation of $0.38 to $0.42 per share.

Lumber Liquidators Holdings, Inc. (NYSE:LL) shares declined 5.33 percent to $24.34 in aftermarket trading session. Lumber Liquidators surged more than 5 percent in regular trading session after the company stock was upgraded to “buy” rating from “hold” rating at Stifel Nicolaus.

Energy Transfer Equity, L.P. (NYSE:ETE) shares declined 3.75 percent to $43.86 in aftermarket trading session. The stock has a 52 week low of $31.39 and 52 week high of $47.34 and has $10.16 billion market capitalization.

New York & Co, Inc. (NYSE:NWY) shares declined 3.5 percent to $4.56 in post market trading session. The company stock surged more than 6 percent in regular trading session.

Imation Corp. (NYSE:IMN) shares declined 3.03 percent to $9 in aftermarket trading session. The stock has a 52 week low of $8.41 and 52 week high of $12.36 and has $359.17 million market capitalization.