(Bloomberg) -- Amazon.com Inc.’s cloud unit posted the strongest sales growth in a year, a sign that the retailer’s most profitable unit is recovering from a slump as businesses resume spending on technology projects, including artificial intelligence services. Most Read from BloombergIsrael Says a Cease-Fire Plan Backed by Hamas Falls Far ShortAt $2 Million Per Minute, Treasuries Mint Cash Like Never BeforeEx-Trump Controller Says Cohen Repaid From Personal AccountJack Dorsey Leaves Blue...