This pattern is characterized by a large white body engulfing a preceding smaller black body, which appears during a downtrend. The white body does not necessarily engulf the shadows of the black body but totally engulfs the body itself. This is an important bottom reversal signal   


http://americanbulls.com/SignalPage.aspx?lang...icker=OCLR

http://www.stockta.com/cgi-bin/analysis.pl?sy...mode=stock