NetScout Systems ( NTCT) designs, develops, manufactures, markets, licenses, sells and supports market application and network performance management and service assurance solutions for the Internet protocol (IP) based service delivery environments. This stock is trading up 4.3% at $22.88 in recent trading. Today's Volume: 278,000 Average Volume: 273,338 Volume % Change: 55% Shares of NTCT are soaring today after the company said its first quarter net income more than doubled as bookings increased. The company earned $5 million, or 12 cents per share, in the quarter. That's up from $2.4 million, or 6 cents per share, a year ago. From a technical perspective, NTCT is ripping to the upside here with above average volume, and this stock has started to trigger a major breakout trade since it's cleared some past overhead resistance at $22.49. Traders should continue to look for long-biased trades in NTCT as long as this stock is trending above $22.49 with strong upside volume flows. I would consider any upside volume day that registers near or above 273,338 shares as bullish. If NTCT can hold its trend above $22.49, then this stock has a great chance of hitting $25 to $26 in the near future. To see more stocks rising on unusual volume, check out the Stocks Rising On Unusual Volume portfolio on Stockpickr. -- Written by Roberto Pedone in Winderemere, Fla.