There's a reason why more than 30,000 investors flock to Omaha each May, and millions more rummage through the Berkshire Hathaway annual reports: Gleaning knowledge from proven investors is one way to find the stocks that will make you rich.

Using Motley Fool CAPS, the Fool's 135,000-plus-member investing community, we can see which stocks are receiving a boost in attention from CAPS All-Star players each week. A sudden increase in bullish interest from top-rated investors could signal that the stock deserves further research.

Here are four stocks receiving more support from CAPS All-Stars over the past month:

Company

Industry

% Change in All-Star Bulls From 5/18 to 6/17

CAPS Rating (out of 5)

CAPS Research

Orthovita, Inc. (NASDAQ:VITA)

Health-Care Equipment and Supplies

56%

5 Stars VITA

Origin Agritech Ltd. (NASDAQ:SEED)

Food Products

56%

3 Stars SEED

Aceto Corp (NASDAQ:ACET)

Trading Companies and Distributors

50%

5 Stars ACET

Sinovac Biotech Ltd. (AMEX:SVA)

Biotechnology

49%

4 Stars SVA

Source: Motley Fool CAPS, as of June 17, 2009.

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