The S&P 500 drops for a fifth day, its worst stretch since February.

U.S. stocks fell for a fifth straight day on Friday, with the S&P 500 ending the week down 1.7 percent in its longest losing streak since February.

For the day, the S&P, the benchmark U.S. index, fell 0.8 percent.

Apple, which as the largest company in the S&P 500 by market capitalization has an outsize impact on the index, dropped 3.3 percent after a federal judge ordered the company to stop restricting app developers in its App Store from directing customers to other ways to pay for their services. Google, which is locked in its own court case over payments for apps, fell 1.9 percent. The tech-heavy Nasdaq composite ended the day 0.9 percent lower.

But the losses weren’t confined to the tech sector. Companies relying on the end to pandemic-related precautions took a beating, one day after President Biden announced that he was resorting to what will effectively be a vaccine mandate for tens of millions of U.S. workers.

American Airlines was one of the worst-performing stocks of the day, falling 6.2 percent, and United Airlines and Delta Air Lines performed nearly as poorly. The casino company Penn National Gaming fell 4.9 percent, and Las Vegas Sands was down 4.2 percent.

The health care giant Cigna fell 4.3 percent. Kroger, the grocery store chain, fell 7.5 percent after it reported that sales in the three months ending Aug. 14 declined from the same period last year.

U.S. producer prices rose 0.7 percent in August from July, the Labor Department reported on Friday, a sign of continuing inflation. The Producer Price Index was up 8.3 percent from a year earlier, the largest jump since the 12-month data was first calculated in 2010, according to the Labor Department.

In a call following its financial report, Kroger executives said that the costs of products were rising and that it believed that “inflation for the full year will be higher than originally contemplated.”