Hansen Natural (NASDAQ: HANS) staged an intraday reversal after beating fourth-quarter profit views by 13 cents a share and rallying as much as 9% before reversing to close 2% lower on the highest volume in almost a year. This type of action, as a rule of thumb, is a clear sign to take profits (or consider a short). Other leaders from 2005 to get hit recently include OptionXpress (NASDAQ: OXPS), Western Digital (NYSE: WDC), and many others. This is a yellow flag and means new bases can be expected in a good case scenario (for bulls). It can also present shorting opportunities on failed rallies that may develop. Cheers!