Amazon holiday sales jump as one-day shipping pays dividends, stock up 13%

Amazon.com Inc on Thursday posted holiday quarter results well above expectations as the expansion of its one-day shipping program came under budget and membership in its Prime loyalty club notched a 50% rise in two years.

Shares soared 13% in after-hours trade, putting the online retailer back in the $1 trillion market capitalization club. If the share gain holds on Friday, it will be the biggest daily jump for Amazon since October 2017.