Chasing highfliers is a sucker's game. But tracking monthly trends across the market can lead to great investment ideas, while shedding new light on stocks you already have in your portfolio.

Let's take a look at the biggest movers in health care. These stocks -- which include companies from the pharmaceutical and biotechnology sectors -- have clocked some of the biggest gains during the last month.

Health-care market movers

Company

Industry

CAPS Rating

30-Day Return

Market Cap

Price / Earnings

Biovail (NYSE: BVF)

Pharmaceuticals

***

31.78%

3.04B

29.16

Arena Pharmaceuticals (Nasdaq: ARNA)

Biotechnology

***

29.83%

381.73M

N/A

AVANIR Pharmaceuticals (Nasdaq: AVNR)

Pharmaceuticals

****

22.51%

309.17M

13

Neurocrine Biosciences (Nasdaq: NBIX)

Biotechnology

**

22.41%

305.96M

91.67

Those returns are certainly eye-catching. But do these highfliers have staying power?

Let's see what The Motley Fool CAPS community (more than 165,000 investors strong) has to say about the best plays in the health-care market.

And the next big winners are ...
The following health-care stocks are of similar size, and in comparable industries, to the ones in the previous chart. However, CAPS members think these companies have more promising future returns than those already making waves.

 CAPS community health-care favorites

Company

Industry

CAPS Rating

Market Cap

Price / Earnings

Fools Saying Outperform

Dr. Reddy's Laboratories (NYSE: RDY)
(Alternative to BVF)

Pharmaceuticals

****

5.26B

29.16

495 of 522

YM BioSciences (AMEX: YMI)
(Alternative to ARNA and NBIX)

Pharmaceuticals and biotechnology

****

95.76M

33.35

84 of 85

Obagi Medical Products (Nasdaq: OMPI)
(Alternative to AVNR)

Pharmaceuticals

*****

250.25M

35

276 of 301

Of course, some of today's winners might continue to rack up outsize returns. But isn't it better to snag tomorrow's winners before they start running up?

Find out whether your hot stocks still have sizzle
How do your stocks compare to the CAPS community's best investment ideas? Find out in an instant by plugging your tickers into the completely free Motley Fool Stocks 360 program. You'll also get a thorough analysis of how your investments are faring against multiple peer benchmarks. Find out whether you should trade in, trade up, or sit tight by getting a quick 360-degree diagnostic right now.