A retreat in US stocks picked up pace on Thursday as investors absorbed the end of the longest government shutdown in US history, weighing its impact on the economy and the path of interest rates. The tech-heavy Nasdaq Composite (^IXIC) led losses with a nearly 1.8% slump, while the S&P 500 (^GSPC) slid 1.1%. The Dow Jones Industrial Average (^DJI) dropped roughly 0.7%, backtracking from its second record close in a row notched the previous session. President Trump signed a bill ending the record-settin ...