sentences:  The CME Group trades over $1 quadrillion notional value in risk management products and CME Group is now a $70 billion company.Recognized as an industry leader, he has testified frequently before Congress, most notably the 1980 Gold and Silver Crisis, the 1987 stock market crash, and in the 1990s the modernization of financial services regulation.In December 1992, President Bill Clinton invited Sandner to address his economic summit in Little Rock.