NEW YORK ( TheStreet) -- Shares of Venoco Incorporated (NYSE: VQ) were gapping up Tuesday morning with an open price 44.6% higher than Friday's closing price. The stock closed at $7.69 Friday and opened today's trading at $11.12. The average volume for Venoco has been 328,800 shares per day over the past 30 days. Venoco has a market cap of $473.8 million and is part of the basic materials sector and energy industry. Shares are up 13.6% year to date as of the close of trading on Friday. Venoco, Inc., an independent energy company, primarily engages in the acquisition, exploration, exploitation, and development of oil and natural gas properties primarily in California. The company has a P/E ratio of 13, below the average energy industry P/E ratio of 14 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Venoco as a hold. The company's strengths can be seen in multiple areas, such as its notable return on equity, increase in net income and revenue growth. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, generally poor debt management and weak operating cash flow. You can view the full Venoco Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping up? Get free SMS text alerts sent to you when the action happens by texting UP to 95370 or select from multiple alert options.