Top Ten Gainer and Loser Weekly : HALO, PCRX, FGP,NE, PWE, ESV, NBIX, GSAT, FCAU, NAK, MACK.

Top Ten Gainer:

No.	Ticker	Market Cap	Perf Week	Volatility W	Price	Change	Volume	Earnings
1	HALO	1.74B	34.61%	8.28%	13.38	6.11%	9,169,276	Feb 06/a
2	PCRX	1.49B	28.16%	9.48%	40.05	17.28%	5,215,801	Feb 01/b
3	FGP	799.35M	27.88%	7.86%	8.44	5.37%	1,452,466	Dec 09/b
4	NE	1.83B	20.36%	6.35%	7.33	5.92%	14,689,763	Feb 02/a
5	NNA	304.19M	18.82%	4.68%	2.02	7.45%	1,375,108	Feb 07/b
6	ESV	3.60B	18.10%	5.96%	11.68	6.38%	14,403,314	Jan 25/a
7	PWE	1.02B	17.24%	4.03%	2.04	6.81%	4,996,983	Feb 01/b
8	NBIX	3.82B	16.20%	4.89%	44.04	6.43%	3,101,476	Feb 01/a
9	FCAU	13.43B	15.01%	2.13%	10.42	6.22%	17,788,617	Jan 24/b
10	GSAT	1.83B	11.76%	11.89%	1.71	8.92%	28,440,056	Feb 02/a

Top Ten Loser

No.	Ticker	Market Cap	Perf Week	Volatility W	Price	Change	Volume	Earnings
1	NAK	542.25M	-13.51%	10.02%	1.92	-6.34%	2,529,488	Feb 13
2	MACK	467.75M	-11.98%	7.99%	3.60	-5.26%	7,745,549	Feb 08/a
3	REGN	38.52B	-4.02%	3.02%	358.68	-5.84%	3,254,614	Feb 03/b
4	ELGX	488.23M	-3.63%	8.59%	5.70	-7.84%	2,766,271	Jan 31/a
5	HFC	5.72B	-3.47%	3.90%	32.01	-5.16%	3,791,744	Feb 02/b
6	TAHO	3.00B	-2.92%	7.93%	9.64	-13.77%	5,185,888	Feb 02/a
7	BRFS	11.69B	-2.92%	1.73%	14.32	-5.35%	2,373,974	Jan 26/a
8	TEVA	35.26B	-2.72%	2.83%	35.10	-7.53%	33,833,246	Feb 14/b
9	CYNO	1.08B	-1.53%	3.81%	45.15	-6.81%	1,614,412	Jan 24/b
10	EGO	2.54B	0.59%	5.70%	3.40	-5.29%	8,065,680	Jan 26/a