NEW YORK (

TheStreet

) -- The ex-dividend date for

Westlake Chemical Corporation

(NYSE:

WLK

) is tomorrow, June 1, 2011. Owners of shares as of market close today will be eligible for a dividend of 6 cents per share. At a price of $56.29 as of 10:12 a.m. ET, the dividend yield is 0.5%.

The average volume for Westlake Chemical has been 450,000 shares per day over the past 30 days. Westlake Chemical has a market cap of $3.7 billion and is part of the

basic materials

sector and

chemicals

industry. Shares are up 28.2% year to date as of the close of trading on Friday.

Westlake Chemical Corporation manufactures and markets basic chemicals, vinyls, polymers, and fabricated polyvinyl chloride (PVC) building products. It operates in two segments, Olefins and Vinyls. The company has a P/E ratio of 12.9, equal to the average chemicals industry P/E ratio and below the S&P 500 P/E ratio of 17.7.

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TheStreet Ratings rates Westlake Chemical as a

buy

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

Westlake Chemical Ratings Report

.

See our

dividend calendar

or

top-yielding stocks list

.

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