4 Stocks Spiking on Unusual Volume

WINDERMERE, Fla. ( 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."

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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.

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Infoblox ( BLOX) provides automated network control services and provides an appliance-based solution that enables dynamic networks and next-generation data centers. This stock closed up 1.8% at $21.77 on Wednesday.

Wednesday's Volume: 1.46 million

Average Volume: 511,600

Volume % Change: 177%

From a technical perspective, BLOX trended modestly higher here right above some near-term support at $20.25 with above-average volume. This move is quickly pushing shares of BLOX within range of triggering a near-term breakout trade. That trade will hit if BLOX manages to take out some near-term overhead resistance at $23 with high volume.

Traders should now look for long-biased trades in BLOX as long as it's trending above $20.25 and then once it sustains a move or close above $23 with volume that hits near or above 511,600 shares. If that breakout triggers soon, then BLOX will set up to re-test or possibly take out its all-time high of $24.15. Any high-volume move above $24.15 could then send BLOX well north of $25 in the near future.


Trulia ( TRLA) operates as a real estate search engine. This stock closed up 9.7% at $29.55 on Wednesday.

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