NEW YORK ( TheStreet) -- Harvest Natural Resources (NYSE: HNR) is trading at unusually high volume Wednesday with 1.2 million shares changing hands. It is currently at four times its average daily volume and trading up $1.26 (+8.6%) at $16 as of 1:56 p.m. ET. Harvest Natural has a market cap of $504.2 million and is part of the basic materials sector and energy industry. Shares are up 21.1% year to date as of the close of trading on Tuesday. Harvest Natural Resources, Inc., an independent energy company, engages in the acquisition, exploration, development, production, and disposition of oil and natural gas properties. The company has a P/E ratio of 21.6, below the average energy industry P/E ratio of 23.3 and below the S&P 500 P/E ratio of 21.9. TheStreet Ratings rates Harvest Natural as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, largely solid financial position with reasonable debt levels by most measures and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including unimpressive growth in net income and weak operating cash flow. You can view the full Harvest Natural Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.