Global markets fall after Moderna Omicron warning November 30, 2021 Stock markets slide after Moderna boss casts doubt on vaccine effectiveness against new variant. Source: Global markets fall after Moderna Omicron warning Updated: November 30, 2021 at 12:04 pm ◀ ‘This is a new wave’: Hundreds of Cubans seek refuge in Greece Inditex: Zara founder’s daughter becomes fashion giant’s chair ▶