WINDERMERE, Fla. ( 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." >>5 Rocket Stocks to Buy in February Unusual volume can also be a major signal that hedge funds and momentum traders are piling into a stock ahead of a catalyst. These types of traders like to get in well before a large spike, so it's always a smart move to monitor unusual volume. That said, remember to combine trend and price action with unusual volume. Put them all together to help you decipher the next big trend for any stock. With that in mind, let's take a look at several stocks rising on unusual volume today. >>5 Stocks Poised to Pop on Bullish Earnings Randgold Resources Randgold Resources ( GOLD) carries out exploration and gold mining activities, with three operating mines in Mali, West Africa: the Morila gold mine, the Loulo mine complex and the Gounkoto mine. This stock is trading up 3% at $98.53 in recent trading. Today's Volume: 679,000 Average Volume: 509,376 Volume % Change: 124% >>5 Stocks Poised for Breakouts From a technical perspective, GOLD is gapping higher here with above-average volume and flirting with both its 50-day at $98.87 and its 200-day at $98.90. At last check, GOLD has hit an intraday high of $100.78 and volume is well above its three-month average action of 509,376 shares. This move is quickly pushing shares of GOLD within range of triggering a near-term breakout trade. That trade will hit if GOLD manages to take out some near-term overhead resistance at $102.02 with high volume. Traders should now look for long-biased trades in GOLD as long as it's trending above its 50-day at $98.87, and then once it sustains a move or close above $102.02 with volume that hits near or above 509,376 shares. If that breakout hits soon, then GOLD will set up to re-test or possibly take out its next major overhead resistance levels at $105 to $108.16.