Each weekday, TheStreet.com Ratings compiles a list of the top five stocks in five categories -- fast-growth, all-around value, large-cap, mid-cap and small-cap -- and publishes these lists in the Ratings section of our Web site .

This list, updated daily, is based on data from the close of the previous trading session. Today, all-around-value stocks are in the spotlight. These are stocks of companies that meet a number of criteria, including annual revenue of more than $500 million, lower-than-average valuations such as a price-to-sales ratio of less than 2, and leverage that is less than 49% of total capital.

In addition, they must rank near the top of all stocks rated by our proprietary quantitative model, which looks at more than 60 factors. The stocks must also be followed by at least one financial analyst who posts estimates on the Institutional Brokers' Estimate System. They are ordered by their potential to appreciate.

Brazilian oil company Petrobras-Petroleo Brasileiro ( PBR) has had a buy rating since August 2005. The company demonstrates revenue growth that has outpaced the industry average, and its stock price has increased by 27.11% in the 12 months prior to August 2007.

Although almost any stock can fall in a broad market decline, Petrobras should continue to move higher. The company also has a largely solid financial position with reasonable debt levels by most measures. These strengths outweigh the company's subpar net income growth.

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