US stocks plummeted on Thursday wiping out half of Wednesday's historic gains, amid uncertainty over Trump's tariff initiatives and an escalating trade spat with China. 30-year Treasury yields spiked higher, oil tumbled and the dollar fell versus major peers. Bloomberg's Michael McKee reports. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit