Deliveroo shares soar to three-year high after U.S. giant DoorDash makes takeover bid

1. Deliveroo received a $3.6 billion takeover offer from DoorDash. 2. Shares of Deliveroo spiked 17.6% after the announcement. 3. DoorDash likely faces no major regulatory hurdles for the acquisition. 4. Deliveroo has recently become profitable, reporting its first annual profit. 5. Market competition remains intense, impacting Deliveroo's growth prospects.