Take Two Interactive Software, Exelixis and Penson Worldwide lead small-cap volume in pre-market

Take Two Interactive Software Inc. (Nasdaq:TTWO), Exelixis Inc. (Nasdaq:EXEL) and Penson Worldwide Inc. (Nasdaq:PNSN) are among the most actively traded companies in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: PSS World Medical Inc. (Nasdaq:PSSI), SIGA Technologies Inc. (Nasdaq:SIGA), Eagle Bulk Shipping Inc. (Nasdaq:EGLE), OmniVision Technologies Inc. (Nasdaq:OVTI), Solarfun Power Holdings Co Ltd. (Nasdaq:SOLF) and Century Aluminum Co. (Nasdaq:CENX).

Here are the most actively traded companies among small caps:

		Price at 9:08 ET	Change	% Change	Volume	Year High	Year Low
TTWO	TAKE-TWO INTERACTIVE SOFTWAR	8.57	+0.03	+0.4%	441.0k	27.95	5.56
EXEL	EXELIXIS INC	5.47	+0.11	+2.1%	191.9k	7.35	2.11
PNSN	PENSON WORLDWIDE INC	8.95	+0.42	+4.9%	119.3k	19.36	4.02
PSSI	PSS WORLD MED INC	15.68	+0.00	+0.0%	33.0k	21.72	13.19
SIGA	SIGA TECHNOLOGIES INC	7.15	+0.09	+1.3%	25.6k	7.09	1.94
EGLE	EAGLE BULK SHIPPING INC	7.58	+0.22	+3.0%	24.0k	34.10	2.55
OVTI	OMNIVISION TECHNOLOGIES INC	11.79	+1.21	+11.4%	22.8k	16.49	4.12
SOLF	SOLARFUN POWER HOLDINGS CO L	7.40	+0.27	+3.8%	19.9k	23.24	2.27
CENX	CENTURY ALUM CO	6.43	+0.12	+1.9%	13.7k	75.76	1.04
CAKE	CHEESECAKE FACTORY INC	17.00	+0.78	+4.8%	13.5k	20.17	4.96

---