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 for Breakouts 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 Under $10 Set to Soar Virgin Media Virgin Media ( VMED) offers entertainment and communications services to residential and commercial customers throughout the U.K. It provides broadband internet, television, mobile telephony and fixed line telephony services. This stock closed up 2.7% at $51 on Friday. Friday's Volume: 9.60 million
Average Volume: 4.38 million
Volume % Change: 121% >>3 Big Stocks on Traders' Radars From a technical perspective, VMED ripped higher here right through its 50-day moving average at $49.86 with heavy upside volume. This move is quickly pushing shares of VMED within range of triggering a major breakout trade. That trade will hit if VMED manages to take out some near-term overhead resistance levels at $51.35 to its 52-week high at $51.89 with high volume. Traders should now look for long-biased trades in VMED as long as it's trending above its 50-day at $49.86 or above some key near-term support area at $49.50 and then once it sustains a move or close above those breakout levels with volume that hits near or above 4.38 million shares. If that breakout triggers soon, then VMED will set up to enter new 52-week high territory, which is bullish technical price action. Some possible upside targets off that breakout are $55 to $60.