Group Chat News is back with the hottest stories of the week including Jefferies analysts say weight loss pills will lower airline fuel bills and lift earnings,ChatGPT is experimenting with advertising in their free subscription, Rick Caruso will not be on the ballot,China's population falls again as births drop to lowest rate since 1949 revolution, BlackRock chief Larry Fink warns Davos: Capitalism must evolve,  Bermuda is building the world's first fully onchain national economy, with support from Coinbase and Circle.