Wendy's has lowered its profit forecast due to continued weakness in U.S. sales, sending its stock price towards a 5-year low. CEO Ken Cook acknowledged the need for improvement in the company's domestic operations, citing a second consecutive quarter of sales decline. The revised outlook reflects challenges in attracting and retaining customers amidst increased competition and evolving consumer preferences. Investors are closely watching the company's strategies to revitalize its U.S. business and regain market share.