When a stock hits a fresh high, it can mean that it’s on its way to greatness -- or that it has run its course. Even with the risk of the latter, searching for these outperformers can reveal companies that are doing something right, much to their investors' delight.

Let’s dig deeper
With that in mind, we'll use the aggregate intelligence of the 135,000-plus investors participating in Motley Fool CAPS to find stocks hitting 52-week highs today. The community's approval (signified by four- and five-star ratings) could be a sign that further research is in order.

Here are three such stocks:

Company

Today’s Intraday Price

Industry

CAPS Rating (out of 5)

Fools Saying Outperform

Oshkosh Corporation (NYSE:OSK)

$25.31

Machinery

4 Stars

734 of 780

Human Genome Sciences (NASDAQ:HGSI)

$11.07

Biotechnology

3 Stars

328 of 369

F5 Networks, Inc. (NASDAQ:FFIV)

$36.47

Communications Equipment

3 Stars

332 of 362

Source: Motley Fool CAPS, as of July 20, 2009

Top-rated machinery companies:

  • China Fire & Security Group, Inc. (NASDAQ:CFSG): Stock price is 56% higher than last year.
  • The Eastern Company (AMEX:EML): Stock price is 25% higher than last year.

Top-rated biotechnology companies:

  • Crucell N.V. (ADR) (NASDAQ:CRXL): Stock price is 60% higher than last year.
  • Emergent BioSolutions, Inc. (NYSE:EBS): Stock price is 11% higher than last year.

Join us on CAPS to learn more about these and countless other interesting stock ideas.