Acorn International (NYSE: ATV ) surged 22.17% to $2.70 at 9:45 am. Acorn International announced private purchase of shares. DS Healthcare Group (NASDAQ: DSKX ) surged 20.96% to $3.52. DS Healthcare shares have dropped 14.41% over the past 52 weeks, while the S&P 500 index has gained 13.02% in