The content originally appeared on: CNN (CNN Business)Asian stocks opened lower on Friday as tensions over a potential Russian invasion of Ukraine continued, hours after US President Joe Biden's statement that an attack could take place 'in the next several days' sent the Dow plunging to its worst day of 2022. Japan's Nikkei Index sank around 1.5% in early trading, while Hong Kong's Hang Seng Index and the Shanghai Composite Index both dropped more than 0.5% before recovering later in […]