NEW YORK ( TheStreet) -- Shares of IDT Corporation B (NYSE: IDT) were gapping down Monday morning with an open price 42% lower than Friday's closing price. The stock closed at $20.86 Friday and opened today's trading at $12.10. The average volume for IDT Corporation B has been 175,400 shares per day over the past 30 days. IDT Corporation B has a market cap of $430.8 million and is part of the technology sector and telecommunications industry. Shares are down 20.3% year to date as of the close of trading on Friday. IDT Corporation operates as a telecommunications and energy company. The company operates in four segments: Telecom Platform Services, Consumer Phone Services, IDT Energy, and Genie Oil and Gas. The company has a P/E ratio of 18.3, above the average telecommunications industry P/E ratio of 16 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates IDT Corporation B as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including unimpressive growth in net income, disappointing return on equity and poor profit margins. You can view the full IDT Corporation B Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.