ZOLL - Darvas trade

ZOLL - Nasdaq.  Zoll Medical Corp has formed a Darvas box near a previous historic high.  The stock is rising in price and the buyers are well in control here as can be seen by the strong, rising OBV and recent volume expansions.  This suggest a likely further move to the upside.  A breakout of the box on expanded volume would certainly signal an opportunity to become involved in this stock.  Potential target price of around $54.