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 seven stocks receiving more support from CAPS All-Stars over the past month:

Company

Industry

% Change in All-Star Bulls From 6/15 to 7/15

CAPS Rating (out of 5)

CAPS Research

Cardionet (NASDAQ:BEAT)

Health-Care Providers and Services

100%

3 Stars BEAT

LivePerson, Inc. (NASDAQ:LPSN)

Internet Software and Services

65%

3 Stars LPSN

Antigenics, Inc. (NASDAQ:AGEN)

Biotechnology

50%

1 Stars AGEN

PriceSmart, Inc. (NASDAQ:PSMT)

Food and Staples Retailing

42%

4 Stars PSMT

BJ's Restaurants, Inc. (NASDAQ:BJRI)

Hotels, Restaurants and Leisure

39%

2 Stars BJRI

Interactive Brokers Group, Inc. (NASDAQ:IBKR)

Diversified Financial Services

33%

5 Stars IBKR

Peet's Coffee & Tea, Inc. (NASDAQ:PEET)

Hotels, Restaurants and Leisure

31%

3 Stars PEET

Source: Motley Fool CAPS, as of July 15, 2009

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