Cardica Inc. (MasdaqGM: CRDC) surged 11.49 percent Wednesday afternoon to $3.64. Volume of 236,578 shares tripled its full-day average. CRDC designs and manufactures proprietary stapling and anastomotic devices for cardiac and endoscopic surgical procedures.

Las Vegas Sands Corp. (NYSE: LVS) traded in 38,492,276 shares Wednesday afternoon, surpassing its full-day average. Share prices faded 3.12 per cent, to $42.29. LVS is the leading global developer of destination properties (integrated resorts) that feature premium accommodations, world-class gaming and entertainment, convention and exhibition facilities, celebrity chef restaurants, and many other amenities.

Xueda Education Group (NYSE: XUE) fell 6.37 percent in Wednesday afternoon trading to $9.90. Volume of 275,494 shares demurred from its full-day average of 652,587. XUE is the leading national provider of tutoring services for primary and secondary school students in China