United Community Banks Inc. (NasdaqGS: UCBI) gained 10.37 percent in price Wednesday to $1.49. UCBI stock traded in 3,128,377 shares, nearly quadrupling its daily average. Headquartered in Blairsville, Ga., UCBI is the third-largest bank holding company in the state, with assets of $7.0 billion. It operates 27 community banks with 106 banking offices throughout north Georgia, the Atlanta region, coastal Georgia, western North Carolina and east Tennessee.

Sirius XM Radio Inc. (NasdaqGS: SIRI) was active in Wednesday trading, with volume of 39,654,072, albeit just better than half of its three-month average daily volume of 75,176,000. SIRI shares fell back 1.46 percent to greet the closing bell Wednesday at $1.35. The satellite radio provider announced Wednesday announces “Sound of Change,” an initiative designed to generate awareness, action and funds for designated charitable causes on a year-round basis. The initiative officially launches on November 20, as several of SIRIUS XM’s music, talk and sports channels will participate in WhyHunger’s 25th annual Hungerthon campaign featuring live and on-line auctions of rare memorabilia and experiences donated by popular musicians, athletes and celebrities.

DAQO New Energy Corp. (NYSE: DQ) fell in price Wednesday afternoon by 16.39 percent to close at $11.19. Its volume of 1,644,379 shares, still more than double its three-month daily average. Tuesday, the Chinese-based polysilicon manufacturer reported third-quarter net revenues were $63.2 million, an increase of 20.5% from the second quarter of 2010, and 108.5% year-over-year. Net income was $17.7 million, an increase of 50.8% from the second quarter of 2010, and 207.6% increase year-over-year.