Marriott International Inc. and Hilton Worldwide Holdings Inc. said Monday they grew their hotel room footprints as travel continued its rebound in 2023 from the travel downturn in the wake of the COVID-19 pandemic.As the larger of the two giant hotel chains by market cap, Marriott MAR, +0.43% said its net rooms increased by 4.7% to just under 1.6 million in 2023. Its development pipeline jumped 15% to 573,000 rooms, a record.Net rooms grew 4.7% to over 1.597 million and the company’s development pipeline e ...