New Delhi, Oct. 29 -- The US Federal Trade Commission (FTC) has ordered nine major companies, including airlines, ride-hailing platforms, food-delivery services and retailers, to provide detailed information on how they use personal data to determine prices and worker compensation.

The agency said the information would help it examine whether consumers are charged different prices for the same product or service based on factors such as their browsing habits, personal data and loyalty programme membership.

The orders were issued to Delta Air Lines, United Airlines, JetBlue, Lyft, Uber, DoorDash, Instacart, Target and Walmart. The companies have 45 days from receiving the orders to respond.

"We intend to scrutinize the opaque methodolog...