Tumble led by declines in energy, phone stocks.
Nearly 70 percent of participating teams in the black through 5 weeks of stock event.
Investors worry wiretapping accusations may delay implementation of economic policies.
Payable to shareholders April 24.
Board put $15,000 into Snap Inc. 5 years ago.
Yellen helps stoke expectations with speech.
$17 tech IPO closes at $24.48.
Energy companies fell along with price of crude oil.
Today’s gain was biggest for blue-chip index so far this year.
Market led by big gains in banks as the prospect for higher interest rates seemed to improve.