Energy Conversion Devices, Heritage Crystal Clean and Cardiovascular Systems among 52-week lows

Energy Conversion Devices Inc. (Nasdaq:ENER), Heritage Crystal Clean Inc. (Nasdaq:HCCI) and Cardiovascular Systems Inc. (Nasdaq:CSII) are among the biggest percentage losers in Tuesday's trading among companies with market capitalizations under $1 billion.

Here are the biggest percentage losers among small caps:

		Price at 9:08 ET	Change	% Change	Volume	Year High	Year Low
ENER	ENERGY CONVERSION DEVICES IN	14.12	-4.31	-23.4%	10,438.0k	83.33	16.00
HCCI	HERITAGE CRYSTAL CLEAN INC	7.50	-0.72	-8.8%	1.9k	18.69	8.22
CSII	CARDIOVASCULAR SYS INC DEL	5.94	-0.86	-12.6%	48.7k	11.80	6.21
EXAC	EXACTECH INC	11.55	-0.34	-2.9%	161.5k	31.73	11.88
RGCO	RGC RES INC	23.60	-0.60	-2.5%	4.5k	32.50	24.00

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