Amazon quarterly profit jumps ninefold to $857 million

Online giant Amazon said Thursday profit in the second quarter surged ninefold to $857 million, lifted by cloud services as the tech giant expanded its offerings. Revenues jumped 31 percent to $30.4 billion, Amazon said in stronger-than-expected results. While Amazon developed a reputation for delivering little or no profit in its retail operations, its earnings have been growing over the past year as it expands into video and new delivery services and boosts its cloud computing unit, Amazon Web