Logo of Panasonic Corp. is seen at CEATEC JAPAN 2011 electronics show in Chiba, east of Tokyo, October 4, 2011. The IT & Electronics comprehensive exhibition goes on till October 8.
Logo of Panasonic Corp. is seen at CEATEC JAPAN 2011 electronics show in Chiba, east of Tokyo, October 4, 2011. The IT & Electronics comprehensive exhibition goes on till October 8. Reuters

The top after-market NYSE gainers Monday were Humana Inc, UnitedHealth Group, Actavis, General Growth Properties and Belo Corp. The top after-market NYSE losers were Nordic American Tanker, Investors Real Estate Trust, Panasonic Corp and Ingredion Inc.

Gainers

Humana Inc. (NYSE:HUM) shares climbed 9.49 percent to $82.14 in post-market trading. The stock has a 52-week low of $59.92, a 52-week high of $93.36 and $11.88 billion in market capitalization.

UnitedHealth Group Inc. (NYSE:UNH) shares surged 3.95 percent to $61.30 in post-market trading. The stock has a 52-week low of $50.32, a 52-week high of $60.75 and $60.44 billion in market capitalization.

Actavis Inc. (NYSE:ACT) shares surged 2.75 percent to $95.00 in post-market trading. The company announced Monday that the United States District Court for the District of New Jersey has ruled that Actavis' generic version of AstraZeneca's Pulmicort RESPULES 0.25 mg, 0.5 mg, and 1 mg vials do not infringe United States Patent No. 7,524,834 and that United States Patent No. 6,598,603 is invalid.

General Growth Properties Inc. (NYSE:GGP) shares gained 2.50 percent to $20.47 in post-market trading. The stock has a 52-week low of $15.85, a 52-week high of $21.25 and $18.76 billion in market capitalization.

Belo Corp. (NYSE:BLC) shares advanced 2.19 percent to $9.78 in post-market trading. The company stock plunged more than 2.5 percent in regular trading.

Losers

Nordic American Tanker Ltd. (NYSE:NAT) shares tumbled 9.17 percent to $10.01 in post-market trading. The company announced Monday that it is commencing a public offering of $87 million aggregate amount of common shares pursuant to the Company's effective shelf registration statement.

Investors Real Estate Trust (NYSE:IRET) shares plunged 4.33 percent to $9.28 in post-market trading. Investors Real Estate Trust announced the commencement of an underwritten public offering of 8,000,000 common shares of beneficial interest, no par value per share, of the company.

Panasonic Corp. (NYSE:PC) shares plunged 2.98 percent to $6.51 in post-market trading. The stock tumbled more than 8 percent in regular trading after the company announced the delisting schedule from the New York Stock Exchange.

Ingredion Inc. (NYSE:INGR) shares declined 1.73 percent to $71.00 in post-market trading. The stock has a 52-week low of $45.30, a 52-week high of $72.58 and $5.58 billion in market capitalization.