Determine the sentiment expressed in the news from financial perspective.
Options: positive, negative

Amazon.com, Inc. has leveraged the internet's growth and its data analytics competency to bridge the digital and physical world. It has built a dominant lead in both retail and cloud computing. Each of Amazon's segments has continued to grow revenue, but the company's profitability is down as the company spends aggressively on R&D, data centers, logistics, and employee headcount.
negative