The top after-market NYSE gainers Monday were Rexnord Corporation, Masco Corporation, Brookdale Senior Living Inc, and Sally Beauty Holdings Inc while the top after-market NYSE losers were WNS (Holdings) Ltd, Northern Tier Energy LP, Boyd Gaming Corporation, and Globus Medical Inc.

Gainers

Rexnord Corporation (NYSE:RXN) shares climbed 13.76 percent to $22.99 in post-market trading. The company shares surged after it announced that its Board of Directors has initiated a review of strategic alternatives to enhance shareholder value.

Masco Corporation (NYSE:MAS) shares advanced 8.77 percent to $19.35 in post-market trading. The company Monday reported a fourth-quarter loss that narrowed from a year ago, and excluding items, Masco reported a quarterly profit that topped Wall Street estimates, as did revenues. Masco reported fourth-quarter net sales of $1.9 billion, up 9 percent from $1.74 billion in the previous year. Analysts polled by Thomson Reuters estimated sales of $1.80 billion.

Brookdale Senior Living Inc (NYSE:BKD) shares gained 3.53 percent to $27.83 in post-market trading. The company announced that its Board of Directors has selected T. Andrew Smith to serve as the chief executive officer. Smith, currently the Company’s executive vice president and general counsel, will succeed Bill Sheriff as CEO, who had previously announced his intent to retire after 28 years with the Company and its predecessors.

Sally Beauty Holdings Inc (NYSE:SBH) shares rose 1.87 percent to $27.01 in post-market trading. The stock has a 52-week low of $22.49, a 52-week high of $28.35 and $4.67 billion in market capitalization.

Losers

WNS (Holdings) Ltd (NYSE: WNS) shares declined 4.68 percent to $13.25 in post-market trading. The stock has a 52-week low of $9.07, a 52-week high of $13.25 and $701.28 million in market capitalization.

Northern Tier Energy LP (NYSE:NTI) shares dropped 4.24 percent to $28.25 in post-market trading. The stock has a 52-week low of $13.00, a 52-week high of $13.34 and $2.71 billion in market capitalization.

Boyd Gaming Corporation (NYSE:BYD) shares slumped 3.07 percent to $7.25 in post-market trading. The stock has a 52-week low of $4.75, a 52-week high of $9.61 and $647.69 million in market capitalization.

Globus Medical Inc (NYSE:GMED) shares fell 2.90 percent to $14.22 in post-market trading. The company stock has a 52-week trading range of $10.26-$19.23 and $1.34 billion in market capitalization.

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