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." >>5 Stocks Poised to Break Out 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 Huge Stocks to Trade: Must-See Charts Nvidia Nvidia ( NVDA) is engaged in creating the graphics chips used in personal computers that bring games and home movies to life. This stock is trading up 4% at $14.47 in recent trading. Today's Volume: 14.06 million
Average Volume: 10.47 million
Volume % Change: 136% Shares of NVDA are ripping higher today after the company reported results that beat Wall Street expectations. >>3 Big Tech Stocks on Traders' Radars From a technical perspective, NVDA is gapping sharply higher here right above some near-term support at $13.50 with above-average volume. This move is quickly pushing shares of NVDA within range of triggering a major breakout trade. That trade will hit if NVDA manages to take out some past overhead resistance at $15.03 and then once it clears its 52-week high at $15.22 with high volume. Traders should now look for long-biased trades in NVDA as long as it's trending above $14, and then once it sustains a move or close above those breakout levels with volume that hits near or above 10.47 million shares. If that breakout triggers soon, then NVDA will set up to re-test or possibly take out its next major overhead resistance levels at $16.69 to $18.