Green Plains Renewable Energy, Hiland Partners LP and Shamir Optical Industry lead small-cap percentage gainers

Green Plains Renewable Energy Inc. (Nasdaq:GPRE), Hiland Partners LP (Nasdaq:HLND) and Shamir Optical Industry Ltd. (Nasdaq:SHMR) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Greene County Bancorp (Nasdaq:GCBC), NATCO Group Inc. (Nasdaq:NTG), Amtech Systems Inc. (Nasdaq:ASYS), CommVault Systems Inc. (Nasdaq:CVLT), Patni Computer Systems ADR (Nasdaq:PTI) and H&E Equipment Services Inc. (Nasdaq:HEES).

Here are the biggest percentage gainers among small caps:

		Price at 9:08 ET	Change	% Change	Volume	Year High	Year Low
GPRE	GREEN PLAINS RENEWABLE ENERG	8.16	+1.93	+31.0%	537.1k	9.21	0.05
HLND	HILAND PARTNERS L P	7.45	+1.71	+29.7%	460.4k	52.00	3.64
SHMR	SHAMIR OPTICAL INDUSTRY LTD	5.70	+0.98	+20.8%	4.5k	7.28	2.06
GCBC	GREENE COUNTY BANCORP INC	15.24	+2.23	+17.1%	1.3k	15.99	9.50
NTG	NATCO GROUP INC	35.93	+4.90	+15.8%	3,682.0k	56.86	11.52
ASYS	AMTECH SYS INC	5.76	+0.76	+15.2%	40.8k	11.54	2.25
CVLT	COMMVAULT SYSTEMS INC	14.56	+1.82	+14.3%	1,186.5k	18.65	7.35
PTI	PATNI COMPUTER SYS	11.52	+1.44	+14.3%	48.3k	13.16	4.25
HEES	H & E EQUIPMENT SERVICES INC	7.51	+0.89	+13.4%	105.4k	15.80	4.65
PAR	3PAR INC	10.56	+1.20	+12.8%	1,159.2k	11.45	4.25

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