The pressure mounts for UnitedHealth (UNH) as shares plummet following news of a DOJ probe into its Medicare Advantage program. Diane King Hall joins Caroline Woods at the NYSE set to dive into the report as UNH shares reach 4-year lows. Later, she looks overseas at Chinese tech stock Alibaba (BABA) after it reported a revenue miss in its 4Q earnings. Meanwhile, Cisco (CSCO) shares are higher after the legacy tech company raised its guidance on stronger A.I. demand.