#amazon knows how to turn a profit, but signs show its big spending is back

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Amazon’s ability to turn a profit from the razor-thin world of online retail was once uncertain. The company, which decided to invest heavily in once-unorthodox areas like streaming video, hardware, and shipping networks, had to spend years convincing Wall Street that its plans would, eventually, bear fruit. During that time, Amazon struggled through occasionally harsh losses. Investors don’t doubt the company quite so often anymore; this past quarter was Amazon’s seventh consecutive quarterly profit.
But Amazon continues to ratchet up the spending, especially in areas like shipping, logistics, and fulfillment. Earlier this week, reports shed light on Amazon’s plans for a $1.5 billion air cargo hub in Kentucky for its more than 40 Prime…