Special Delivery http://www.ucheducationcentre.org/congo-bongo-monte-casino/ congo bongo montecasino  The Euro STOXX 50 Volatility index, known as theVSTOXX, was down 8 percent, indicating a drop in investors' riskaversion. Europe's widely-used gauge of investor sentiment,which is based on put and call options on Euro STOXX 50 stocks,has fallen 21.7 percent since a peak hit on Wednesday.