NEW YORK ( TheStreet) -- Several small-cap stocks were moving on above-average volume during Thursday's session. Netlist ( NLST) jumped by 69 cents, or 51.5%, to $2.03, continuing a rally sparked Wednesday by the launch of Netlist's HyperCloud, the first 16-gigabyte, 2 vRank memory module for computer servers. Volume topped 2.3 million shares, compared to the 50-day average daily volume of 72,000, according to the Nasdaq. Playboy Enterprises ( PLA) rose by 74 cents, or 25.9%, to $3.60 following a Bloomberg report the company is in talks to sell itself to Iconix ( ICON). The report said Iconix has already looked at Playboy's finances. Volume topped 1.4 million shares, compared to the three-month average daily volume of 302,000, according to Yahoo! Finance. Hong Kong Highpower Technology ( HPJ) gained 99 cents, or 30.8%, to $4.20 after the company reported third-quarter earnings of 18 cents a share on revenue of $21.1 million, blowing past the single analyst estimate for earnings of 9 cents a share on revenue of $18.5 million. Volume topped 1.5 million shares, compared to the three-month average daily volume of 170,000, according to Yahoo! Finance. Silverleaf Resorts ( SVLF) dropped by 23 cents, or 20.4%, to 90 cents after the timeshare operator late Wednesday posted a third-quarter profit, excluding items, of 18 cents a share, although revenue fell 22.8% to $52.8 million. The decrease is primarily attributable to the recognition of an $18.5 million additional provision for estimated uncollectible revenue in the third quarter. Volume topped 210,000 shares, compared to the 50-day average daily volume of 102,000, according to the Nasdaq. Trimeris ( TRMS) fell by 65 cents, or 18.1%, to $2.94 after the company's merger with Arigene appears to have hit a snag. The Korea-based company asked Trimeris for an extension on its tender offering, which was set to expire on Nov. 16. Volume topped 1.3 million shares, compared to the 50-day average daily volume of 288,000, according to the Nasdaq. Denison Mines ( DNN) lost by 15 cents, or 9.5%, to $1.40 after the company posted a third-quarter loss of 27 cents a share while revenue shrank 65% to $12.7 million. Dension said it was hit by a $100 million impairment charge during the quarter. Analysts expected a loss of 2 cents a share on revenue of $20 million, according to Thomson Reuters. Volume topped 1 million shares, compared to the three-month average daily volume of 1.2 million, according to Yahoo! Finance. -- Written by Robert Holmes in New York. Check out all of Thursday's high-volume, under-$5 stocks at the Dollar Store Follow Robert Holmes on Twitter and become a fan of TheStreet.com on Facebook.