Shares of Amazon.com fell 5 percent Monday, weighing on the retail sector, which turned in its worst performance since late February.
The S&P Retail Index dropped 2 percent, or 10.95 points, to 536.30, retreating from its all-time high of 552.11, set Friday. The index declined 2.1 percent on Feb. 22, when it closed at 515.67.
Amazon dropped $10.05 to $192.51, despite no apparent developments at the online retailer.
Shares of J.C. Penney Co. Inc. dropped 3.2 percent to $37.21 following the firm’s first-quarter results, which showed a 6.7 percent rise in profits on a 0.4 percent sales gain.
Among other retail decliners were The Talbots Inc., down 3.3 percent to $5; Zale Corp., 3.2 percent to $3.63, and Nordstrom Inc., 2.9 percent to $46.23.