NEW YORK ( TheStreet) -- Shares of Elster Group SE (NYSE: ELT) were gapping up Monday morning with an open price 17.9% higher than Friday's closing price. The stock closed at $16.40 Friday and opened today's trading at $19.33. The average volume for Elster Group SE has been 93,600 shares per day over the past 30 days. Elster Group SE has a market cap of $1.8 billion and is part of the technology sector and electronics industry. Shares are up 19.2% year to date as of the close of trading on Friday. Elster Group SE provides gas, electricity, and water meters; and related communications, networking, and software solution for residential, commercial, and industrial customers worldwide. The company has a P/E ratio of 20.7, below the average electronics industry P/E ratio of 21.1 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Elster Group SE as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, notable return on equity and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, deteriorating net income and poor profit margins. You can view the full Elster Group SE Ratings Report. Get more investment ideas from our investment research center.