https://www.cnbc.com/2018/04/26/amazon-earnings-preview-q1-2018.html >Wall Street expects another huge jump in Amazon's revenue, albeit at lower profits, compared with last year, when the company reports its first-quarter earnings on Thursday. >But the conference call after the report could prove just as interesting to investors, if it provides peek into Amazon's plans for political damage control, dominance in cloud computing and investments in voice-assistant Alexa.