CastlePoint Holdings Ltd. (Nasdaq:CPHL), DivX Inc. (Nasdaq:DIVX) and DryShips Inc. (Nasdaq:DRYS) are among the most actively traded companies in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Given Imaging Ltd. (Nasdaq:GIVN), Sigma Designs Inc. (Nasdaq:SIGM), Central European Media Enterprises Ltd. (Nasdaq:CETV), TBS International Ltd. (Nasdaq:TBSI), Transmeta Corp (Nasdaq:TMTA) and Canadian Solar Inc. (Nasdaq:CSIQ).

Here are the most actively traded companies among small caps:

		Price at 9:10 ET	Change	% Change	Volume	Year High	Year Low
CPHL	CASTLEPOINT HOLDINGS LTD	9.92	+0.00	+0.0%	53.8k	13.49	7.13
DIVX	DIVX INC	4.70	-0.83	-15.0%	46.8k	18.31	4.48
DRYS	DRYSHIPS INC	9.38	+0.32	+3.5%	33.5k	116.43	8.50
GIVN	GIVEN IMAGING	6.98	+0.00	+0.0%	20.7k	25.07	6.28
SIGM	SIGMA DESIGNS INC	7.56	-0.81	-9.7%	12.3k	73.00	7.87
CETV	CENTRAL EUROPEAN MEDIA ENTRP	13.00	+0.74	+6.0%	7.9k	117.51	11.73
TBSI	TBS INTERNATIONAL LIMITED	6.21	+0.17	+2.8%	6.1k	61.95	5.76
TMTA	TRANSMETA CORP DEL	18.10	+0.58	+3.3%	5.0k	17.79	11.88
CSIQ	CANADIAN SOLAR INC	5.93	+0.05	+0.9%	4.0k	51.80	5.05
EGLE	EAGLE BULK SHIPPING INC	8.60	-0.30	-3.4%	3.8k	36.24	5.50