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SBUX Starbucks

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Starbucks is still struggling to bring more customers into US stores, as the coffee giant battles mobile ordering issues.

On Thursday, Starbucks reported that US comparable sales increased 3% in the second quarter. However, transactions, or number of orders placed, fell 2%.

Starbucks said that the drop in orders could be attributed to its rewards program, which was revamped last April.

The old program would have encouraged a customer ordering multiple drinks to place multiple different orders to get the most points….