Male rats exposed to very high levels of the kind of radiation emitted by cellphones developed tumors in the tissues around their hearts, according to a draft report by U.S. government researchers on the potential health risks of the devices. Female rats and mice …
U.S. stocks slumped Friday, pulling down the Dow Jones industrial average by more than 650 points and handing the market its worst week in two years. Technology, banks and energy stocks accounted for much of the broad slide. Several major …
Stocks closed sharply lower in New York on Friday, extending a weeklong slide, as the Dow Jones industrial average plunged more than 600 points. The drop capped stocks’ worst week in two years. The Dow’s drop was its biggest in percentage terms …