Benzinga's Volume Movers
January 27, 2014 at 11:05 AM EST
Sirona Dental Systems (NASDAQ: SIRO ) shares moved up 2.93% to $74.89. The volume of Sirona Dental shares traded was 527% higher than normal. Sirona Dental will replace Health Management Associates (NYSE: HMA ) in the S&P MidCap 400 after the closing bell on January 28. Caterpillar (NYSE: