DoorDash is on a $5 billion buying spree after earnings beat

In a matter of five hours, the US delivery firm DoorDash Inc. announced two multibillion-dollar acquisitions that stand to turn what is already the largest food-delivery service in the US into a formidable global player. It agreed to buy London-based delivery Deliveroo Plc for 180 pence per share, or about £2.9 billion ($3.9 billion), and it’s acquiring hospitality tech company SevenRooms Inc. for $1.2 billion.