MADISON, 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.Major moves in volume can signal unusual activity, such as insider buying or selling -- or buying or selling by "superinvestors."
Average Volume: 4.27 million
Volume % Change: 152% >>4 Big Tech Stocks to Trade (or Not) From a technical perspective, SPWR is exploding higher here and breaking out above some near-term overhead resistance at $12.95 with heavy upside volume. This move is quickly pushing SPWR within range of triggering another major breakout trade. That trade will hit if SPWR manages to clear its 52-week high at $13.90 with high volume. Traders should now look for long-biased trades in SPWR as long as it's trending above $12.95 or today's low at $12.70 and then once it sustains a move or close above its 52-weeek high at $13.90 with volume that hits near or above 4.27 million shares. If that breakout triggers soon, then SPWR will set up to enter new 52-week-high territory, which is bullish technical price action. Some possible upside targets off that move are $16 to $18. J.C. Penney J.C. Penney ( JCP) sells merchandise and services to consumers through its department stores and direct channels. It offers such products as family apparel and footwear, accessories, and fine and fashion jewelry. This stock is trading up 9.3% at $16.67 in recent trading.