Amazon Prime Day Isn’t the Catalyst It Used to Be

  • In the past four years, the stock has fallen on week of event
  • Investor focus has shifted to its cloud computing business

Amazon’s Prime Day begins on Tuesday.

Photographer: Chris Ratcliffe/Bloomberg
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Amazon.com Inc.’s annual Prime Day shows that e-commerce isn’t the driver it once was for the stock, as investor focus shifts to the company’s faster-growing and profitable cloud-computing unit.

In the past four years, the stock has fallen in the week of the two-day sale in which the retail giant discounts swathes of items. The first four years beginning in 2015 saw Amazon shares average a gain of more than 2% in the week of the event, according to data compiled by Bloomberg.