US STOCKS-Wall St dives, S&P 500 sheds $2 trillion in value

US STOCKS-Wall St dives, S&P 500 sheds $2 trillion in value

*Financial sector slumps on Fed’s surprise rate cut. *Energy stocks slump as oil prices fall below $30/ barrel. March 16- S&P 500 companies lost more than $2 trillion in value in the first few minutes …