The S&P 500 experienced a 2.0% decline on March 28 due to escalating inflation pressures according to the Federal Reserve's preferred inflation indicator. Lululemon shares also fell after the company’s uninspiring future outlook attributed to decreased consumer spending and soft traffic. On a positive note, W.R. Berkley saw an increase in its stock value as it revealed that Japan's Mitsui Sumitomo Insurance was taking a 15% stake in the company.

U.S. stock indexes faced a decline after the worrisome inflation report and a significant drop in consumer sentiment. The S&P 500, Dow, and Nasdaq all closed the week on a negative note due to persistent inflation worries and consumer pessimism. Lululemon's stock took a significant hit after releasing its financial results and providing lower guidance for the upcoming quarter, citing reduced consumer spending. On the other hand, WBD shares dropped as CEO David Zaslav struggled to enhance the film studio's performance and announced a reorganization of its streaming content teams.

Dollar Tree shares slipped following the announcement of the sale of its Family Dollar brand despite optimistic outlooks on its ability to attract value-conscious shoppers. Conversely, W.R. Berkley shares saw a 7.5% surge and reached a record high after announcing Japan's Mitsui Sumitomo Insurance's acquisition of a 15% stake in the company, indicating the deal would not impact its daily operations.