NEW YORK (

TheStreet

) --

Harry Winston Diamond

(NYSE:

HWD

) is trading at unusually high volume Thursday with 936,469 shares changing hands. It is currently at four times its average daily volume and trading down 56 cents (-3.8%) at $14.36 as of 4:02 p.m. ET.

Harry Winston has a market cap of $1.2 billion and is part of the

basic materials

sector and

metals & mining

industry. Shares are up 27.5% year to date as of the close of trading on Wednesday.

Harry Winston Diamond Corporation, a diamond company, engages in mining and retailing diamonds in Canada and internationally. The company has a P/E ratio of 129.3, equal to the average metals & mining industry P/E ratio and above the S&P 500 P/E ratio of 16.

TheStreet Ratings rates Harry Winston as hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, compelling growth in net income and expanding profit margins. However, as a counter to these strengths, we find that the company has not been very careful in the management of its balance sheet. You can view the full

Harry Winston Ratings Report

.

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