DELAFIELD, 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.>>5 Hated Earnings Stocks You Should Love Major moves in volume can signal unusual activity, such as insider buying or selling -- or buying or selling by "superinvestors." 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. >>5 Stocks Insiders Love Right Now With that in mind, let's take a look at several stocks rising on unusual volume today. Rogers Rogers ( ROG), together with its subsidiaries, engages in the development, manufacture and distribution of specialty materials and components worldwide. This stock closed up 5.4% to $61.09 in Wednesday's trading session. Wednesday's Volume: 541,000
Three-Month Average Volume: 88,663
Volume % Change: 501% From a technical perspective, ROG ripped sharply higher here right off its 50-day moving average of $58.36 with strong upside volume. This move pushed shares of ROG into breakout territory, since it took out its former 52-week high at $60.97. Market players can now look for a continuation move out of ROG, since the stock is trading in new 52-week high territory. Traders should now look for long-biased trades in ROG as long as it's trending above $60 or its 50-day at $58.36 and then once it sustains a move or close above Wednesday's high of $61.50 with volume that hits near or above 88,663 shares. If we get that move soon, then ROG will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that move are $65 to $67. Acadia Healthcare Acadia Healthcare ( ACHC) develops and operates a network of behavioral health facilities. It provides premier psychiatric and chemical dependency services to its patients. This stock closed up 8.4% at $42.67 in Wednesday's trading session.