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 Set to Soar on Bullish Earnings 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 for Breakouts IPG Photonics IPG Photonics ( IPGP) is the developer and manufacturer of a line of high-performance fiber lasers for diverse applications in numerous markets. This stock is trading up 1% at $65 in recent trading. Today's Volume: 626,000
Average Volume: 477,345
Volume % Change: 97% >>3 Tech Stocks Under $10 to Watch From a technical perspective, IPGP is trending modestly higher here with above-average volume. This stock has been uptrending strong for the last few weeks, with shares moving higher from its low of $54.32 to its intraday high of $65.78. During that uptrend, shares of IPGP have been consistently making higher lows and higher highs, which is bullish technical price action. That move is now pushing shares of IPGP within range of triggering a near-term breakout trade. That trade will hit if IPGP manages to clear some near-term overhead resistance levels at $65.85 to $67.24 with high volume. Traders should now look for long-biased trades in IPGP as long as it's trending above today's low of $64.05 and then once it sustains a move or close above those breakout levels with volume that this near or above 477,345 shares. If that breakout triggers soon, then IPGP will set up to re-test or possibly take out its next major overhead resistance level at its 52-week high of $70.11. Any high-volume move above $70.11 will then put its next major overhead resistance levels at $75 to $77 into range for shares of IPGP.