Oil fell in tandem with equities as concerns over renewed tensions between the US and China, and a murky outlook for further relief from Washington cast an economic pall. Futures dropped 1.7% in New York on Friday, the biggest decline in a week. US President Donald Trump's latest attack on Chinese tech companies and new sanctions on Chinese officials further stoked tensions between the countries. Meanwhile, another round of negotiations with Democrats on a virus relief plan ended without any ....