Stock Quotes in this Article: FLS, MTZ, SI, CSTE

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.

MasTec

MasTec (MTZ), an infrastructure construction company, engages in engineering, building, installing, maintaining and upgrading energy, communication and utility infrastructure in North America. This stock closed up 1.5% at $34.57 in Friday's trading session.

Friday's Volume: 1.51 million

Three-Month Average Volume: 647,990

Volume % Change: 137%

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From a technical perspective, MTZ trended modestly higher here right above some near-term support levels at $34 to $33.50 with strong upside volume. This move pushed shares of MTZ into new 52-week-high territory, since the stock took out some resistance at $34. This move could be setting up MTZ for a large trend higher, since the stock took out its former 52-week high with strong volume.

Traders should now look for long-biased trades in MTZ as long as it's trending above some near-term support levels at $34 to $33.50 and then once it sustains a move or close above its new 52-week high at $34.86 with volume that's near or above 647,990 shares. If we get that move soon, then MTZ will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that breakout are $40 to $45, or even $50.

Keep in mind that MTZ is set to report earnings on Aug. 1 after the market close. The probability that MTZ takes out that 52-week high ahead of earnings is strong due to its current trend. That said, traders should adjust your prices for a breakout to new highs after earnings, since we have to see how the stock reacts to the numbers first.

Flowserve

Flowserve (FLS) develops and manufactures precision-engineered flow control equipment, such as pumps, valves and seals, for critical service applications that require high reliability. This stock closed up 1% at $57.35 in Friday's trading session.

Friday's Volume: 1.91 million

Three-Month Average Volume: 1.07 million

Volume % Change: 96%

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From a technical perspective, FLS jumped higher here right above its 50-day moving average of $55.09 with above-average volume. This stock has been uptrending strong for the last month, with shares moving higher from its low of $50.77 to its intraday high of $57.37. During that move, shares of FLS have been consistently making higher lows and higher highs, which is bullish technical price action. That move has now pushed shares of FLS within range of triggering a major breakout trade. That trade will hit if FLS manages to take out its 52-week high at $57.76 with high volume.

Traders should now look for long-biased trades in FLS as long as it's trending above some near-term support levels at $56 or above its 50-day at $55.09 and then once it sustains a move or close above its 52-week high at $57.76 with volume that's near or above 1.07 million shares. If that breakout hits soon, then FLS will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that breakout are $65 to $70.

Keep in mind that FLS is set to report earnings on July 24 after the market close. Look to play this breakout after the quarter, so we know that the stock is reacting positively to earnings. Also, adjust the 52-week price up if it gets taken out before the quarter so you know what to target.

Siemens

Siemens (SI), an electronics and electrical engineering company, operates in the energy, health care, industry and infrastructure and cities sectors worldwide. This stock closed up 1.3% at $109.32 in Friday's trading session.

Friday's Volume: 887,000

Three-Month Average Volume: 394,216

Volume % Change: 126%

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From a technical perspective, SI rose modestly higher here with above-average volume. This stock recently formed a double bottom at $96.35 to $96.65. After making that bottom, shares of SI uptrended strong, with shares moving higher from $96.65 to its intraday high of $109.70. During that move, shares of SI have been consistently making higher lows and higher highs, which is bullish technical price action. That move has now pushed shares of SI within range of triggering a major breakout trade. That trade will hit if SI manages to take out some past resistance at $110.05 with high volume.

Traders should now look for long-biased trades in SI as long as it's trending above some near-term support levels at $107 or $106 and then once it sustains a move or close above $110.05 with volume that's near or above 394,126 shares. If that breakout triggers soon, then SI will set up to re-test or possibly take out its next major overhead resistance levels at $125 to $127.35.

CaesarStone Sdot-Yam

CaesarStone Sdot-Yam (CSTE) manufactures engineered quartz surfaces used in both residential and commercial buildings as countertops, vanities, wall cladding, floors and other interior surfaces. This stock closed up 5.4% at $31.70 in Friday's trading session.

 

Friday's Volume: 520,000

Three-Month Average Volume: 195,715

Volume % Change: 160%

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From a technical perspective, CSTE spiked sharply higher here right above some near-term support at $28.85 with above-average volume. This move pushed shares of CSTE into breakout territory, since the stock took out some near-term overhead resistance levels at $30.26 to $30.50. This move also pushed shares of CSTE into new all-time high territory, since the stock hit an intraday high of $32.98.

Traders should now look for long-biased trades in CSTE as long as it's trending those breakout levels at $30.50 or $30.26 and then once it sustains a move or close above its new all-time high at $32.98 with volume that's near or above 195,715 shares. If we get that move soon, then CSTE will set up to enter new all-time-high territory, which is bullish technical price action. Some possible upside targets off that move are $40 to $43.

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.