SurModics Inc. (NasdaqGS: SRDX) surged 14.23 percent Wednesday afternoon to $11.88. Volume of 548,798 shares quadrupled its full-day average. SRDX is provider of drug delivery and surface modification technologies to the healthcare industry.

General Electric (NYSE: GE) traded in 43,357,683 shares Wednesday afternoon, closing in on its full-day average of 59,400,000. Share prices faded 1.13 per cent, to $17.49. QGC, a leading Australian coal seam gas explorer and producer, has signed a contract with a consortium of GE and Laing O’Rourke for the construction of a water treatment plant in southwest Queensland.

Basic Energy Services, Inc. (NYSE: BAS) fell 5.54 percent in Wednesday afternoon trading to $14.50. Volume of 402,054 shares compared to BAS’ full-day average of 447,652. BAS, of Midland, Texas, provides well site services essential to maintaining production from the oil and gas wells within its operating area.