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Taco Bell Stumbles on a Lettuce Crisis

July 17, 2026

AI Summary

5 min read

In late May, federal health officials began tracking cases of cyclosporiasis, an intestinal illness caused by a microscopic parasite. By mid-July, they had linked the outbreak to shredded iceberg lettuce from Taco Bell locations in five states. The news sent Yum Brands stock down 2.8% on Friday and nearly 10% for the week, threatening the momentum of the fast-food chain that has been the crown jewel of Yum's portfolio.

Taco Bell's Lettuce Problem

Taco Bell has been a standout performer in the U.S. fast-food market, growing sales faster than competitors through buzzy menu items like Diablo Dusted Krispy Chicken Nuggets and Mountain Dew Baja Blast Pie. Now the chain faces a food-safety crisis that could derail that trajectory. The company said it voluntarily removed potentially impacted lettuce from select restaurants, but federal officials have reported cases across more than 30 states, with over 90 hospitalizations. Produce supplier Taylor Fresh Foods is pulling iceberg lettuce grown in central Mexico from the U.S. market, though it says none of its Taylor Farms brand salad kits contain iceberg lettuce.

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What you'll learn

  • 1 (01:10) **Taco Bell Lettuce Crisis** - Federal health officials link a cyclosporiasis outbreak to shredded iceberg lettuce at Taco Bell locations in five states
  • 2 (04:17) **Market Moves: Apple and Nvidia Trade Crown** - Apple briefly edged out Nvidia today as most valuable company, but Nvidia reclaimed the top by close
  • 3 (04:48) **Chinese AI Model Threatens Silicon Valley** - Moonshot AI launches Kimmy K3, an open-weights model that rivals top US models from OpenAI and Anthropic
  • 4 (06:25) **Netflix Stock Drops on Growth Concerns** - Shares fell 7.3% after earnings report showed weakest Q3 growth forecast since late 2023
  • 5 (07:59) **Trump Endorses Darlene Graham for Senate** - President Trump backs the sister of Lindsey Graham to permanently fill his Senate seat
  • 6 (08:24) **UK Gets Sixth Prime Minister in Seven Years** - Andy Burnham, former mayor of Manchester, named leader of the Labour Party
  • 7 (09:04) **Middle East Tensions Threaten Saudi Oil Bypass** - Saudi Arabia's pipeline bypass of the Strait of Hormuz is now at risk from escalating conflict with Houthi allies of Iran

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Guests on this episode

Show Notes

P.M. Edition for July 17. Taco Bell has outpaced fast-food rivals for years, but contaminated lettuce could put a damper on its growing business. Heather Haddon, who covers restaurants for the Journal, discusses how the chain is handling the situation–and why that’s crucial for its business. Plus, a new AI model from China that could rival the most cutting-edge U.S. models weighed on tech stocks today. We hear from WSJ tech columnist Christopher Mims about the challenge for Silicon Valley. And it’s the World Cup final on Sunday. WSJ sports editor Joshua Robinson tells us what he’ll be looking out for when Argentina faces off against Spain. Alex Ossola hosts.


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