Avis Budget Group is facing significant financial challenges, posting a yearly net loss of $889 million and a staggering fourth-quarter loss per share of $21.25, prompting a stock drop of over 21%. The company's disappointing earnings stem from a $150 million shortfall primarily in the Americas segment, alongside a $500 million write-down on its electric vehicle fleet. Although Avis generated $180 million through monetization of Federal EV tax credits, concerns over its revenue forecasts and overall operational strategy suggest a difficult road ahead.