NEW YORK: Amazon.com Inc AMZN.O said on Wednesday its board approved a 20-for-1 split of the e-commerce giant's common stock, as well as authorized the repurchase of up to US$10 billion of its stock.

       Shares of Amazon rose 8% in extended trading.

       Trading is expected to begin on a split-adjusted basis on June 6, the company said in a filing.- Reuters