MADISON, Wis. ( Stockpickr) -- Professional traders running mutual funds and hedge funds don't just look at a stock's price moves; they also track big changes in volume activity. Often when above-average volume moves into an equity, it precedes a large spike in volatility.Major moves in volume can signal unusual activity, such as insider buying or selling -- or buying or selling by "superinvestors."
Average Volume: 151,838
Volume % Change: 318% >>5 Stocks Poised for Breakouts From a technical perspective, MTRX ripped higher here right above some near-term support at $16.10 with heavy upside volume. This move is quickly pushing shares of MTRX within range of triggering a near-term breakout trade. That trade will hit if MTRX manages to take out its 52-week high at $17.93 with high volume. Traders should now look for long-biased trades in MTRX as long as it's trending above Tuesday's low of $16.58 or above that key support area at $16.10 and then once it sustains a move or close above $17.93 with volume that hits near or above 151,838 shares. If that breakout triggers soon, then MTRX will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that breakout are $20 to $23. ViroPharma ViroPharma ( VPHM) is dedicated to the development and commercialization of products that address serious diseases, with a focus on products used by physician specialists or in hospital settings. This stock closed up 2.3% at $27.68 on Tuesday.