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NEW YORK (AP) - Starting tomorrow, Target will match its online prices with more than two dozen online competitors including and

The change in policy marks a big step for the Minneapolis-based retailer, which until now only matched prices at its own stores and not at online rivals. Target is also allowing 14 days, up from seven, for shoppers to get a price adjustment. And the retailer is increasing the number of online rivals that it will match from five to 29, including for the first time with stores that require membership, like Costco and Sam's Club.

The latest move underscores how Target is trying to rev up its e-commerce business under its CEO Brian Cornell.