Hot Topic, Inc (Nasdaq:HOTT), Central European Media Enterprises Ltd (Nasdaq:CETV) and Diamond Foods Inc (Nasdaq:DMND) are among the most actively traded companies in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: AeroVironment Inc (Nasdaq:AVAV), ATP Oil & Gas Corporation (Nasdaq:ATPG), II VI Inc (Nasdaq:IIVI), Questcor Pharmaceuticals Inc (Nasdaq:QCOR), ViroPharma Inc (Nasdaq:VPHM) and Silver Standard Resources Inc (Nasdaq:SSRI).

Here are the most actively traded companies among small caps:

		Price at 9:08 ET	Change	% Change	Volume	Year High	Year Low
HOTT	HOT TOPIC INC	8.42	-0.29	-3.3%	14.8k	8.79	3.90
CETV	CENTRAL EUROPEAN MEDIA ENTRP	14.21	+0.76	+5.7%	5.0k	117.51	9.00
DMND	DIAMOND FOODS INC	27.00	-3.41	-11.2%	4.4k	32.14	15.83
AVAV	AEROVIRONMENT INC	32.80	+1.89	+6.1%	1.3k	38.70	18.44
ATPG	ATP OIL & GAS CORP	5.50	-0.05	-0.9%	1.0k	52.25	3.89
IIVI	II VI INC	15.50	+0.18	+1.2%	0.9k	48.26	14.05
QCOR	QUESTCOR PHARMACEUTICALS INC	9.19	+0.14	+1.5%	0.7k	9.40	3.65
VPHM	VIROPHARMA INC	11.50	+0.01	+0.1%	0.6k	15.16	7.94
SSRI	SILVER STD RES INC	8.70	-0.16	-1.8%	0.6k	40.72	5.35
LAYN	LAYNE CHRISTENSEN CO	17.85	+0.04	+0.2%	0.6k	58.26	14.00