Stocks Rise for Fourth Day; Treasuries Rally: Markets Wrap

US stocks ended Wednesday’s session higher, notching a new record and seemingly shrugging off the first government shutdown in nearly seven years. Treasuries rallied after private payrolls data reinforced bets that the Federal Reserve will lower interest rates later this month.

Both the S&P 500 and the Nasdaq 100 rose for a fourth consecutive session. On Wednesday, the former was boosted by the health-care sector on optimism stemming from Pfizer Inc.’s deal with the White House. Tech names like Tesla Inc. and Nvidia Corp. also helped push the index 0.3% higher for the day.

The 10-year Treasury yieldtouched ...