The Score: WK Kellogg, Nvidia, Delta Air Lines and More Stocks That Defined the Week - WSJ

1. Ferrero acquires WK Kellogg for $3 billion, affecting K's brand dynamics. 2. Kellanova, K's parent, sold to Mars for over $30 billion last year. 3. K's stock decreased amid market uncertainty and rising competition. 4. Consumer sentiment is declining, impacting demand for K's products. 5. Tariffs and inflation challenges highlighted for the broader food industry.