NEW YORK ( TheStreet) -- Shares of Napco Security Systems (Nasdaq: NSSC) have taken a tremendous swing upward. The stock is trading at $2.57 as of 2:19 p.m. ET, 21.8% above Wednesday's closing price of $2.11. Volume is at 406,246, 22 times the daily average of 18,500. Napco Security Systems has a market cap of $39.1 million and is part of the services sector and diversified services industry. Shares are up 16.5% year to date as of the close of trading on Wednesday. Napco Security Technologies, Inc., together with its subsidiaries, manufactures and sells security products for intrusion, fire, video, wireless, access control, and door locking systems. The company has a P/E ratio of 18.6, equal to the average diversified services industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Napco Security Systems as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and revenue growth. However, as a counter to these strengths, we find that the company's profit margins have been poor overall. You can view the full Napco Security Systems Ratings Report. See our top % gaining stocks list for other stocks that are soaring today, or get investment ideas from our investment research center. Interested in other stocks that are soaring? Get free SMS text alerts sent to you when the action happens by texting SOAR to 95370 or select from multiple alert options.