Benzinga's Volume Movers (TSLA, DNDN, ACXM, MAKO)

Tesla Motors Inc TSLA shares moved up 16.70% to $27.67 at 10:10 am. The volume of TSLA shares traded was 525% higher than normal. TSLA reported that electric Roadsters in more than 30 countries have now covered more than 10 million real-world miles. Dendreon Corporation DNDN shares rose 3.01% to $36.61. The volume of DNDN shares traded was 189% higher than normal. The Center for Medicare and Medicaid Services proposed to cover DNDN's prostate cancer drug Provenge. Acxiom Corporation ACXM shares climbed 3.48% to $13.97. The volume of ACXM shares traded was 163% higher than normal. ACXM announced the resignation of its president and CEO, John Meyer. The company's chief financial officer, Christopher Wolf, is also planning to step down. MAKO Surgical Corp MAKO shares gained 6.81% to $22.90. The volume of MAKO shares traded was 90% higher than normal. MAKO received an order for 11 new MAKOplasty sites from Health Management Associates Inc HMA. Read more from Benzinga's Markets.