Marriott International is holding an investor day on Sept. 27, when the hotel company is expected to offer up long-term financial guidance. Unit growth, a measure of new hotel development and conversions, will likely come in lower than the last time Marriott offered up long-term guidance in 2019, analysts at Citi say. “The development environment is challenging given delays during the pandemic and now higher interest rates,” they say, adding that mid-single digit growth seems aggressive.