Zepto, a quick commerce platform in India, raised $665 million in funding, valuing the company at $3.6 billion. The CEO sees Zepto as a hyperlocal Walmart focusing on groceries and household essentials. The company plans to expand its dark stores to 700 to compete with rivals like Blinkit and Swiggy Instamart. Zepto aims to capitalize on the massive market opportunity in the top 40 cities of India.