NEW YORK ( TheStreet) -- Shares of Quest Software (Nasdaq: QSFT) were gapping up Friday morning with an open price 22.2% higher than Thursday's closing price. The stock closed at $19.40 Thursday and opened today's trading at $23.70. The average volume for Quest Software has been 590,600 shares per day over the past 30 days. Quest Software has a market cap of $1.6 billion and is part of the technology sector and computer software & services industry. Shares are up 4.3% year to date as of the close of trading on Thursday. Quest Software, Inc. designs, develops, markets, distributes, and supports enterprise systems management software products worldwide. Its products are designed to support or to interact, or interoperate with other vendors' software or hardware platforms. The company has a P/E ratio of 39.5, above the average computer software & services industry P/E ratio of 25.4 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Quest Software as a buy. 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 expanding profit margins. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. You can view the full Quest Software 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.