Stock Quotes in this Article: CHRW, DWA, PKX

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 recently.

Posco

Posco (PKX), together with its subsidiaries, manufactures and sells steel rolled products and plates. This stock closed up 2.2% at $75.45 in Friday's trading session.

Friday's Volume: 613,000

Three-Month Average Volume: 239,925

Volume % Change: 123%

From a technical perspective, PKX jumped modestly higher here with above-average volume. This stock has been uptrending strong for the last month and change, with shares moving higher from its low of $63.71 to its intraday high of $75.69. During that uptrend, shares of PKX have been consistently making higher lows and higher highs, which is bullish technical price action. Market players should now look for a continuation move to the upside in the short-term of PKX manages to take out Friday's intraday high of $75.69 with strong volume.

Traders should now look for long-biased trades in PKX as long as it's trending above Friday's low of $73.83 or above its 200-day at $72.44 and then once it sustains a move or close above Friday's high of $75.69 with volume that this near or above 239,925 shares. If that move starts soon, then PKX will set up to re-test or possibly take out its next major overhead resistance levels at $79 to its 52-week high at $80.46.

CH Robinson Worldwide

CH Robinson Worldwide (CHRW), a third party logistics company, provides freight transportation services and logistics solutions to companies in various industries worldwide. This stock closed up 1.9% at $54.87 in Friday's trading session.

Friday's Volume: 4.51 million

Three-Month Average Volume: 2.06 million

Volume % Change: 119%

From a technical perspective, CHRW spiked modestly higher here and broke out above some near-term overhead resistance at $54.80 with above-average volume. This breakout has started to push shares of CHRW into its previous gap-down-day zone from February that started just above $58. Market players should now look for a continuation move higher in the short-term if CHRW manages to take out Friday's high of $55.13 with strong volume.

Traders should now look for long-biased trades in CHRW as long as it's trending above Friday's low of $53.92 or above its 50-day at $52.64 and then once it sustains a move or close above Friday's high of $55.13 with volume that's near or above 2.06 million shares. If that move gets underway soon, then CHRW will set up to re-fill some of its previous gap-down-day zone that started just above $58. If that gap gets filled with strong upside volume flows, then CHRW could even tag or take out $60.

DreamWorks Animation SKG

DreamWorks Animation SKG (DWA) is engaged in the development, production and exploitation of animated films and their associated characters worldwide. This stock closed up 3% at $27.68 in Friday's trading session.

Friday's Volume: 2.09 million

Three-Month Average Volume: 1.10 million

Volume % Change: 78%

From a technical perspective, DWA spiked notably higher here with above-average volume. This stock recently formed a double bottom chart pattern at $25.67 to $25.75. Following that bottom, shares of DWA have started to spike higher and flirt with a near-term breakout trade, after the stock briefly traded above some near-term overhead resistance at $27.89. Shares of DWA hit an intraday high of $28.02 on Friday before closing at $27.68. Market players should now watch for a continuation move to the upside in the short-term if DWA manages to take out Friday's high of $28.02 with strong volume.

Traders should now look for long-biased trades in DWA as long as it's trending above Friday's low of $26.45 or above those double bottom support levels and then once it sustains a move or close above Friday's high of $28.02 with volume that's near or above 1.10 million shares. If that move materializes soon, then DWA will set up to re-test or possibly take out its next major overhead resistance levels at its 50-day moving average of $29.54 to its 200-day moving average of $29.29. Any high-volume move above those levels will then give DWA a chance to tag $31 to $32. Also, keep in mind that DWA has a large gap-down-day zone just above $32 that could come into focus.

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.