This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox. Happy Monday. My half marathon in Brooklyn over the weekend ended on Coney Island, and all the signage for hot dogs reminded me of a not-so-fun fact: Frankfurters are over 10% costlier than a year ago. Stock futures are lower this morning. Stocks are coming off a mixed week. Here are five key things investors need to know to start the trading day:
1. Another ultimatum
U.S. President Donald Trump speaks to the press aboard Air Force One enroute to the U.S. following his official visit with President Xi Jinping in China, May 15, 2026. Evan Vucci | Reuters
2. New direction
A Delta Air Lines Airbus A330 airplane departs from Harry Reid International Airport en route to Atlanta on March 15, 2026 in Las Vegas, Nevada. Kevin Carter | Getty Images
3. Punching back
A Lululemon store in Vancouver, British Columbia, Canada, on Wednesday, March 11, 2026. Isabella Falsetti | Bloomberg | Getty Images
Lululemon wrote in a letter to shareholders Monday that activist founder Chip Wilson has "outdated perspectives" and "troubling conflicts of interest" that will derail the retailer's turnaround plan, CNBC's Gabrielle Fonrounge reports. The letter, exclusively seen by CNBC, is the company's first major public response to Wilson since his proxy battle heated up last year. Materials reviewed by CNBC show settlement talks between Wilson and Lululemon fell apart last week. The athleticwear retailer in its letter urged shareholders to vote in its favor at the company's annual meeting, which it set for next month, stressing its faith in its strategy, incoming CEO and board nominees.
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4. Facing the music
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