Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model

NEW YORK (

TheStreet

) -- The ex-dividend date for

Tesoro Corporation

(NYSE:

TSO

) is tomorrow, August 29, 2012. Owners of shares as of market close today will be eligible for a dividend of 12 cents per share. At a price of $39.88 as of 10:45 a.m. ET, the dividend yield is 1.2%.

The average volume for Tesoro has been 4.5 million shares per day over the past 30 days. Tesoro has a market cap of $5.51 billion and is part of the

basic materials

sector and

energy

industry. Shares are up 68.1% year to date as of the close of trading on Monday.

Tesoro Corporation, together with its subsidiaries, engages in refining and marketing petroleum products in the United States. It operates in two segments, Refining and Retail. The company has a P/E ratio of 8.4, equal to the average energy industry P/E ratio and below the S&P 500 P/E ratio of 17.7.

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TheStreet Ratings rates Tesoro as a

buy

. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, impressive record of earnings per share growth, compelling growth in net income and attractive valuation levels. We feel these strengths outweigh the fact that the company shows low profit margins. You can view the full

Tesoro Ratings Report

.

See our

dividend calendar

or

top-yielding stocks list

.

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