Stratasys ( SSY) is a manufacturer of 3D printers and production systems for the office-based rapid prototyping and direct digital manufacturing markets. This stock is trading up 4.9% at $69.16 in recent trading. Today's Volume: 429,000 Average Volume: 417,308 Volume % Change: 62% >>5 Tech Stocks to Trade (or Not) From a technical perspective, SSYS is ripping higher today with above average volume. This move is coming after SSYS recently found buying support at around $60.77, which sits just above its 50-day moving average of $57.80. Shares of SSYS have been uptrending strong for the past four months with shares rising from a low of $42.71 to a recent high of $73.32. Traders should now look for long-biased trades in SSYS as long as it holds today's low of $66.22. If SSYS can hold its trend above $66.22, then this stock has a great chance of re-testing and possibly taking out its all-time high of $73.32. Any high-volume move above $73.32 should be considered bullish, since SSYS would enter new all-time high territory. Some possible targets if we trend above $73.32 are $80 to $100. 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.