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Cava stock tumbled 16% in afternoon trading on Wednesday, making it the latest fast-casual chain to feel Wall Street’s wrath after reporting disappointing quarterly sales.

A year ago, eateries like Chipotle Mexican Grill

and Cava were reporting double-digit same-store sales growth, even as the broader restaurant industry posted falling traffic and slumping sales. But times have changed. This spring, fast-casual chains saw foot traffic decline as sales slowed down or even shrank.

To explain the downturn, executives have said that diners are “cautious,” in the words of Sweetgreen