The Howard Hughes Corporation (NYSE: HHC) climbed in price 9.17 percent to $40.35 in mid-afternoon trading on Monday. Volume in the company was 371,160 shares, within sight of its three-month daily average of 481,350. HHC was the result last week of a spinoff involving former parent company General Growth Properties Inc., the second-largest U.S. mall operator.

Sprint Nextel Corporation (NYSE: S) was among the volume leaders in late-afternoon trading Monday, doing business in 48,858,413 shares, compared to a full-day average of 45,064,600. The stock got punished, though, 3.35 percent in price to $3.89. Sprint announced Monday it has extended its WiMAX wireless broadband service to Sacramento, Calif, adding that it had opened its fifth California market and plans to begin selling the fourth-generation (4G) service in Los Angeles and San Francisco by the end of the year.

Willbros Group Inc. (NYSE: WG) lost ground Monday in its stock price, dropping 8.47 percent to $7.56. Volume in WG was 1,188,206 shares, compared to a daily average of 416,564.  Houston-based Willbros Group is an independent contractor serving the oil, gas, power, refining and petrochemical industries