Almost half of these are energy names, taking advantage of the huge jump in oil prices this past week. At least some of those stocks are only up because of the price of oil—they were down since Aug. 17 before rallying recently. Energy stocks often drop in times of general market volatility.
And of course, after Tuesday's rout in the oil markets, it's unclear how long even these names will be able to stay positive short term.
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At the top of the list of positive stocks are Cameron International (CAM) and AGL Resources (GAS)—both jumping due to M&A activity. Lucky for those shareholders, they are the only two stocks up more than 20 percent in the last couple weeks.
Their positive moves of 34 percent (CAM) and 21 percent (GAS) are the only two moves more than 10 percent higher since the rout began. Compare that with 183 stocks that have fallen 10 percent or more—including a giant 21 percent fall by Ventas (VTR) and a 23 percent drop for Wynn (WYNN).