1. Kirby McInerney LLP is investigating claims against Krispy Kreme. 2. Krispy Kreme's Q4 revenue declined by 10.4% to $404 million. 3. First quarter revenues dropped by 15.3%, resulting in a $33.4 million net loss. 4. Krispy Kreme reassessing deployment with McDonald's affects outlook uncertainty. 5. Shares fell significantly following earnings releases, indicating investor concern.