Costco shopping shopper man
A Whole Foods acquisition could give Costco a much-needed boost when it comes to tech.

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A Barclays analyst wants Costco to face off against Amazon in its bid to acquire Whole Foods.

On Thursday, Barclays analyst Karen Short wrote in an open letter to Costco saying that it was time for the budget retailer to convince investors that it had a viable ecommerce strategy.

While Short said that Barclays viewed Costco as a “best-in-class” retailer, investors, she wrote, have “bigger and longer term concerns” — namely, if Costco could keep up in an industry increasingly obsessed…