Amazon was one of several tech giants that on Wednesday beat Wall Street’s first-quarter earnings expectations, offering more financial evidence that the AI boom continues to reward companies that supply the picks and shovels. Amazon’s cloud business is the latest example. Amazon Web Services, buoyed by its role in fueling the AI boom , saw its net sales increase 28% year-over-year, climbing to $37.6 billion, the company said Wednesday. It was the fastest growth rate for AWS in 15 quarters, Amazon president and CEO Andy Jassy said during the company’s earnings call. Jassy attributed AWS’ success to its role in providing compute to the AI industry. “It’s very unusual for business to grow this fast on a base this large. The last time we saw growth at this clip, AWS was roughly half the size,” Jassy said. “We’ve never seen a technology grow as rapidly as AI. Amazon is already a leader, and companies continue to choose AWS for AI.” Jassy compared the business unit’s growth to the aughts.…