(AP) -- Amazon said Thursday that it will shut down its digital Kindle bookstores in China and stop selling the device to retailers in the country to readjust the focus of its business. The company said in a post on the popular messaging app WeChat that the digital bookstore will stop operating on June 30, 2023. Customers in China will not be able to buy new e-books after that day and won't be able to download books they've already purchased after a year later, the company said. It noted that it will offer refunds for Chinese customers who bought a...