The top after-market NYSE gainers Tuesday were Natural Grocers by Vitamin Cottage, SuperValu Inc, PennyMac Mortgage Investment Trust, MSCI Inc and Proto Labs Inc. The top after-market NYSE losers were Apollo Commercial Real Estate Finance, Carnival Corp, Overseas Shipholding Group, Barnes & Noble, Inc. and Team Inc.

Gainers

Natural Grocers by Vitamin Cottage, Inc. (NGVC) shares surged 2.36 percent to $24.04 in post-market trading.

SuperValu Inc. (SVU) gained 1.75 percent to $2.33 in post-market trading. The U.S. grocery chain that’s examining strategic options has attracted interest from billionaire Ronald Burkle and buyout firms KKR & Co. and TPG Capital, Bloomberg reported citing people with knowledge of the matter.

PennyMac Mortgage Investment Trust (PMT) shares rose 1.57 percent to $24.00 in post-market trading. The stock has a 52-week low of $14.10, a 52-week high of $23.78 and $979.85 million in market capitalization.

MSCI Inc. (MSCI) shares rose 1.56 percent to $26.62 in post-market trading. The company stock tumbled nearly 27 percent in regular trading.

Proto Labs, Inc. (PRLB) shares advanced 1.56 percent to $33.30 in post-market trading. The company stock plunged more than 3 percent in regular trading.

Losers

Apollo Commercial Real Estate Finance (ARI) shares plunged 3.20 percent to $16.95 in post-market trading. The company announced Tuesday that it had commenced an underwritten public offering of 7,000,000 shares of common stock.

Carnival Corp. (CCL) shares plunged 2.60 percent to $35.21 in post-market trading. The stock has a 52-week low of $28.52, a 52-week high of $39.00 and $28.09 billion in market capitalization.

Overseas Shipholding Group Inc. (OSG) shares fell 2.25 percent to $6.92 in post-market trading. The company stock climbed more than 9 percent in regular trading.

Barnes & Noble Inc. (BKS) shares declined 2.23 percent to $12.53 in post-market trading.

Team Inc. (TISI) shares fell 2.09 percent to $32.28 in post-market trading. The stock has a 52-week low of $20.61, a 52-week high of $34.00 and $657.95 million in market capitalization.

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