Tagged: WCN

THC, GILD, PM, DVAX, IRIS Had Unusual Volume

We have found the following stocks had unusual volume spikes on Monday, September 17, 2012. Tenet Healthcare Corp. (NYSE:THC) had a 81.3% volume spike trading 28,595,100 shares. THC’s 30-day average volume is 5,335,410. Shares...