NEW YORK ( TheStreet) -- Shares of Brigham Exploration Company (Nasdaq: BEXP) were gapping up Monday morning with an open price 20% higher than Friday's closing price. The stock closed at $30.36 Friday and opened today's trading at $36.44. The average volume for Brigham has been three million shares per day over the past 30 days. Brigham has a market cap of $3.3 billion and is part of the basic materials sector and energy industry. Shares are up 5.2% year to date as of the close of trading on Friday. Brigham Exploration Company engages in the exploration, development, and production of onshore oil and natural gas reserves in the Rocky Mountains, the Gulf Coast, the Anadarko Basin, and west Texas. The company has a P/E ratio of 39.8, equal to the average energy industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Brigham as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth, compelling growth in net income, expanding profit margins and good cash flow from operations. Although no company is perfect, currently we do not see any significant weaknesses which are likely to detract from the generally positive outlook. You can view the full Brigham 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.