President Trump lashed out at Apple CEO Tim Cook as he wielded more tariff threats against the European Union pressuring U.S. stocks which are on pace for weekly losses. The 10-year Treasury yield hovered near 4.

Constellation Energy, the largest nuclear operator in the U.S., rose by 3% by Friday afternoon, while shares of uranium mining firms Uranium Energy (23%), Energy Fuels (17%), Cameco Corp. (9.5%) and Centrus Energy (22%) also spiked in value.