Accumulation Alert: BIDU, NEU, CYH, ENOC, AMZN Gaining on Huge Volume

While the gains are nice, the depth (volume) behind the gains is even more impressive. The following stocks are up firmly today, each with significantly greater than average trading volume.

• Baidu, Inc. (Nasdaq: BIDU)
• NewMarket Corp. (NYSE: NEU)
• Community Health Systems, Inc. (NYSE: CYH)
• EnerNOC, Inc. (Nasdaq: ENOC)
• Amazon.com, Inc. (Nasdaq: AMZN)

EnerNOC, Inc. is up 5.9% on 44% increase in normal volume. Amazon.com, Inc. is higher by 1.0% today thanks to a 25% bump in trading activity. Baidu, Inc. volume is up by a hefty 863%, while the stock is up 12.8%. NewMarket Corp. has gained only a modest 0.6% today, but volume is higher by more than 100%. Community Health Systems, Inc. is ahead by 7.1% on an 82% increase in its average volume.