Stocks opened lower Thursday, extending losses after the Dow Jones Industrial Average and S&P 500 a day after they saw their biggest one-day drops since June 2020.

The Dow DJIA, -1.18% was down 240 points, or 0.8%, after opening with a loss of more than 300 points, while the S&P 500 SPX, -0.78% dropped 0.6% and Nasdaq Composite COMP, -0.37% was down 0.2%.

Stocks have seen renewed pressure this week as major retailers reported that rising costs had started to cut into margins, highlighting fears about the ability of companies to pass on inflation pressures to customers.