HyperDynamics, IntraLinks, Weight Watchers, RPC and Cinemark Holdings, GenOn Energy, United Rentals, Lowe's Companies, Lennar Corp. and Standard Motor Products are among the companies that saw active trading in the extended trading session on the New York Stock Exchange.

Losers

Oil and gas company HyperDynamics Corp. (NYSE:HDY) shares fell 18.37 percent, or 99 cents, to 4.40 on a volume of 210,597 shares after it said its first well offshore the Republic of Guinea, the Sabu-1, is ongoing and the objective horizons have not yet been reached.

Shares of IntraLinks Holdings, Inc. (NYSE:IL) dropped 8.87 percent, or 78 cents, to $8.01 after it reported lower-than- expected earnings for its third quarter. On a GAAP basis, net income was $0.8 million or 1 cent per share, compared to a net loss of $4.0 million or 22 cents per share for the same quarter last year. On a non-GAAP basis, earnings came in at 11 cents per share, compared to 7 cents per share last year. Analysts expected the company to earn 12 cents a share.

Weight Watchers International, Inc. (NYSE:WTW) shares fell 8.83 percent, or $6.34, to $65.50 on a volume of 226,265 shares on concerns over the company's spending spree amid a weak consumer confidence environment. For the third quarter, marketing expenses and administration expenses rose 20 percent and 14 percent, respectively.  However, the company's third quarter earnings surged 85 percent and topped Street estimates.

Energy company RPC, Inc. (NYSE:RES) shares slid 3.86 percent, or 83 cents, to $20.67 on a volume of 18,200 shares. For the past 52-weeks, the company's stock has been trading between $14.21 and $29.05.

Shares of Cinemark Holdings, Inc. (NYSE:CNK) after it said Madison Dearborn Capital Partners is selling more than 10 million shares of the company, which engages in the motion picture exhibition business.

Gainers

GenOn Energy, Inc. (NYSE:GEN) shares of gained about 7 percent, or 20 cents, to $3.10 on a volume of 22,816 shares. The company is expected to report its third-quarter results on Nov.9. Analysts expect the company to earn 6 cents a share on revenue of $1.03 billion, according to analysts polled by Thomson Reuters.

United Rentals, Inc. (NYSE:URI) shares advanced 4.08 percent, or 99 cents, to $25.50 on a volume of 8,854 shares. For the past 52-weeks, the stock has been trading between $12.81 and $34.78.

Shares of home improvement retailer Lowe's Companies, Inc. (NYSE:LOW) gained 3.87 percent, or 86 cents, to $23.03 on a volume of 248,147 shares. On Nov.7, TV personality Jim Cramer had ranked Lowe's stock as buy and Bloomberg reported Wednesday that Pershing Square Capital Management LP's Bill Ackman recommended at a conference that investors buy shares of Lowe's Cos.

Shares of homebuilder Lennar Corp. (NYSE:LEN) rose 3.86 percent, or 67 cents, to $18.07 on a volume of 5,392 shares. The company's shares touched a 52-week high of $21.54 and low of $12.14.

Shares of Standard Motor Products, Inc. (NYSE:SMP), which makes replacement parts for vehicles, gained 3.77 percent, or 69 cents, to $19.08 on a volume of 6,203 shares. The stock has been trading in the range of $10.25 to $19.49 for the past 52-weeks.