Cutera

(CUTR) - Get Report

surged Thursday after the Brisbane, Calf., company, which makes lasers for aesthetic procedures, had its shares upgraded.

Lazard Capital Markets lifted its rating on Cutera to hold from sell, and the stock gained $1.81, or 11%, to $18.30. Volume was nearly three times the daily average.

United Retail Group's

( URGI) shares rose after the Rochelle Park, N.J., seller of women's clothing said same-store sales grew 9% for May. Total sales increased 7.5% to $42.1 million.

Online sales, which aren't included in comparable-store sales, increased 50% last month. "Overall, these results show a positive customer response to our product assortment and leave us well-positioned for the summer selling season," United said. The stock was higher by $1.08, or 7.6%, at $15.28.

Stamps.com

(STMP) - Get Report

was getting a lift on news the Los Angeles-based Internet postage shop will be added to the S&P SmallCap 600 index.

The company will replace

Reliance Steel & Aluminum

(RS) - Get Report

. Shares of Stamps.com gained $2.70, or 9%, to $32.69.

Modtech Holdings

( MODT) stumbled after the Perris, Calif., company said David Buckley resigned as president and CEO, citing family and personal reasons.

The company, a maker of modular buildings, said Buckley will remain on the board and will work with the management team to facilitate a smooth transition to his replacement. Dennis Shogren, the company's CFO, will assume the role of interim president and CEO. Shares of Modtech were sliding $1.16, or 12.4%, to $8.23.

Shares of

InterOil

(IOC)

retreated after the Canadian company, whose main operations are in Papua New Guinea, said it filed revised unaudited financial statements for the quarter ended March 31 with Canadian regulatory authorities.

The adjustments are related to InterOil's failure to accrue certain costs of sales and operating expenses for its midstream business segment. The adjustments will widen its loss for the three months to $14.4 million from the $9.4 million reported previously. Shares of InterOil were down $2.05, or 12.2%, to $14.75.

Movado Group

(MOV) - Get Report

jumped after the Paramus, N.J., watch and jewelry maker beat Wall Street's first-quarter earnings expectations. For the quarter ended April 30, the company earned $2.9 million, or 11 cents a share, compared with $997,000, or 4 cents a share, a year ago. Sales increased 11.4% to $97.7 million.

Same-store sales at the company's Movado boutiques increased 4.5%. Analysts polled by Thomson First Call were expecting earnings of 2 cents a share on revenue of $95.4 million. Additionally, Movado increased its profit guidance for fiscal 2007 to a range of $1.53 to $1.58 a share, up from the previous forecast of $1.35 to $1.39. The consensus analyst estimate is $1.38 a share. Shares of Movado were rising $3.96, or 21.2%, to $22.65.