Stock Quotes in this Article: DOOR, FIX, HTHT, ARCO

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.

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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.

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With that in mind, let's take a look at several stocks rising on unusual volume today.

Arcos Dorados

Arcos Dorados (ARCO) operates and franchises McDonald's restaurants in Latin America. This stock closed up 5.1% to $12.48 in Monday's trading session.

Monday's Volume: 1.82 million

Three-Month Average Volume: 1.07 million

Volume % Change: 80%

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From a technical perspective, ARCO ripped higher here right above its 50-day moving average of $11.71 with above-average volume. This move is quickly pushing shares of ARCO within range of triggering a near-term breakout trade. That trade will hit if ARCO manage to take out Monday's high of $12.53 and some more near-term overhead resistance at $12.67 with high volume.

Traders should now look for long-biased trades in ARCO as long as it's trending above its 200-day at $11.71 and then once it sustains a move or close above those breakout levels with volume that hits near or above 1.07 million shares. If that breakout hits soon, then ARCO will set up to re-test or possibly take out its next major overhead resistance levels at $13.64 to $14.20, or even $15.

Masonite International

Masonite International (DOOR) is a designer and manufacturer of interior and exterior doors. This stock closed up 2.6% to $49.90 in Monday's trading session.

Monday's Volume: 419,000

Three-Month Average Volume: 115,205

Volume % Change: 374%

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From a technical perspective, DOOR jumped higher here right off its 50-day moving average of $49.01 with above-average volume. This move is starting to push shares of DOOR within range of triggering a near-term breakout trade. That trade will hit if DOOR manages to take out some near-term overhead resistance levels at $51.39 to $52 with high volume.

Traders should now look for long-biased trades in DOOR as long as it's trending above its 50-day at $49.01 or above Monday's low of $48.91 and then once it sustains a move or close above those breakout levels with volume that hits near or above 115,205 shares. If we get that breakout soon, then DOOR will set up to re-test or possibly take out its next major overhead resistance levels at $52.75 to $55.

Huazhu Hotels Group

Huazhu Hotels Group (HTHT) has endeavored, and continues to endeavor, to make acquisitions or effect business combinations. This stock closed up 3.2% to $23.05 in Monday's trading session.

Monday's Volume: 547,000

Three-Month Average Volume: 118,358

Volume % Change: 341%

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From a technical perspective, HTHT spiked higher here with strong upside volume. This move briefly pushed shares of HTHT into new 52-week-high territory, since the stock took out some near-term overhead resistance at $23.40. Shares of HTHT closed just below that previous resistance at $23.05. Market players should now look for a continuation move higher in the short-term, if HTHT can re-enter new 52-week-high territory with volume.

Traders should now look for long-biased trades in HTHT as long as it's trending above Monday's low of $22.33 or above $21.50, and then once it sustains a move or close above Monday's high of $23.46 with volume that hits near or above 118,358 shares. If we get that move soon, then HTHT will set up to enter 52-week high territory, which is bullish technical price action. Some possible upside targets off that action are $28 to $30.

Comfort Systems USA

Comfort Systems USA (FIX) provides heating, ventilation and air conditioning installation, maintenance, repair and replacement services within the mechanical services industry throughout the U.S. This stock closed up 4.4% at $19.75 in Monday's trading session.

Monday's Volume: 400,000

Three-Month Average Volume: 126,640

Volume % Change: 226%

From a technical perspective, FIX ripped higher here right above some near-term support at $18.26 with above-average volume. This stock has been uptrending strong for the last two months, with shares moving higher from its low of $15.01 to its intraday high of $19.87. During that uptrend, shares of FIX have been consistently making higher lows and higher highs, which is bullish technical price action. This move on Monday briefly pushed shares of FIX into new 52-week high territory, since it flirted with some near-term overhead resistance at $19.80.

Traders should now look for long-biased trades in FIX as long as it's trending above Monday's low of $19.11 or above more support at $18.26, and then once it sustains a move or close above Monday's high of $19.87 with volume that this near or above 126,640 shares. If we get that move soon, then FIX will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that move are $25 to $27.

To see more stocks rising on unusual volume, check out the Stocks Rising on Unusual Volume portfolio on Stockpickr.

-- Written by Roberto Pedone in Delafield, Wis.


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At the time of publication, author had no positions in stocks mentioned.

Roberto Pedone, based out of Delafield, Wis., is an independent trader who focuses on technical analysis for small- and large-cap stocks, options, futures, commodities and currencies. Roberto studied international business at the Milwaukee School of Engineering, and he spent a year overseas studying business in Lubeck, Germany. His work has appeared on financial outlets including

CNBC.com and Forbes.com. You can follow Pedone on Twitter at www.twitter.com/zerosum24 or @zerosum24.