Target Corp. agreed to purchase grocery-delivery startup Shipt Inc. for $550 million, stepping up its challenge to Amazon.com Inc. by speeding the rollout of same-day shipping... Buying Shipt further beefs up Target’s logistics operations -- earlier this year, the retailer announced the acquisition of software company Grand Junction, which also manages local and same-day deliveries. ...

Target Corp. agreed to purchase grocery-delivery startup Shipt Inc. for $550 million, stepping up its challenge to Amazon.com Inc. by speeding the rollout of same-day shipping... Buying Shipt further beefs up Target’s logistics operations -- earlier this year, the retailer announced the acquisition of software company Grand Junction, which also manages local and same-day deliveries. ...