Stock Quotes in this Article: TAM, MKTG, AMCX

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.

Responsys

Responsys (MKTG) is a provider of on-demand software and professional services. This stock closed up 1.4% to $19.97 in Wednesday's trading session.

Wednesday's Volume: 1.07 million

Three-Month Average Volume: 471,748

Volume % Change: 145%

From a technical perspective, MKTG spiked higher here right off some near-term support at $19 with above-average volume. This move briefly pushed shares of MKTG into new all-time high territory, since the stock flirted with some near-term overhead resistance at $20.17. Shares of MKTG closed just below that level at $19.97. Market players should now look for a continuation move higher in the short-term if MKTG can manage to take out Wednesday's high of $20.33 with strong volume.

Traders should now look for long-biased trades in MKTG as long as it's trending above support at $19 or above $18, and then once it sustains a move or close above $20.33 with volume that hits near or above 471,748 shares. If we get that move soon, then MKTG will set up to enter new all-time high territory, which is bullish technical price action. Some possible upside targets off that move are $24 to $25.

Taminco

Taminco (TAM) is a producer of alkylamines and alkylamine derivatives. This stock closed up 2.4% at $20.84 in Wednesday's trading session.

Wednesday's Volume: 319,000

Three-Month Average Volume: 86,192

Volume % Change: 315%

From a technical perspective, TAM spiked notably higher here back above its 50-day moving average of $20.44 with strong upside volume. This move is starting to push shares of TAM within range of triggering a near-term breakout trade. That trade will hit if TAM manages to take out some near-term overhead resistance levels at $21.93 to $22.12 with high volume.

Traders should now look for long-biased trades in TAM as long as it's trending above Wednesday's low of $19.78 and then once it sustains a move or close above those breakout levels with volume that hits near or above 86,192 shares. If that breakout hits soon, then TAM will set up to re-test or possibly take out its all-time high at $23.30. Any high-volume move above $23.30 will then give TAM a chance to tag $25 to $27.

AMC Networks

AMC Networks (AMCX) owns and operates several of cable television's brands delivering content to audiences. This stock closed up 2.6% to $64.98 in Wednesday's trading session.

Wednesday's Volume: 1.44 million

Three-Month Average Volume: 755,217

Volume % Change: 145%

From a technical perspective, AMCX spiked notably higher here with strong upside volume. This stock recently formed a double bottom chart pattern at $62.44 to $62.53. Following that bottom, shares of AMCX have started to spike higher and move within range of triggering a near-term breakout trade. That trade will hit if AMCX manages to take out some near-term overhead resistance levels at $65.84 to its 50-day moving average of $66.90 with high volume.

Traders should now look for long-biased trades in AMCX as long as it's trending above Wednesday's low of $63.85 or above $62.44 and then once it sustains a move or close above those breakout levels with volume that hits near or above 755,217 shares. If that breakout hits soon, then AMCX will set up to re-test or possibly take out its next major overhead resistance levels at $70 to $72.

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.