rating in a research report on Friday, July 31st. Piper Sandler reissued an ll want to hear this. MarketBeat keeps track of Wall Street The firm bought 4,437 shares of the e-commerce giant's stock, valued at approximately $1,058,000. Best Buy Is Turning Amazon Fire TV Into a New Advertising Opportunity Several other hedge funds have also added to or reduced their stakes in AMZN. comalerts: Analyst Upgrades and Downgrades AMZN has been the topic of a number of research analyst reports.