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Among the current 105 STAR Market-listed companies, 24 are computer and communication equipment makers, 22 are special equipment manufacturers, 19 are software and information technology service providers and 14 are pharmaceutical companies.

Amazon’s integration strategy: Amazon has treated the Ring deal similar to Whole Foods and other major acquisitions, pursuing product and feature integrations where appropriate but maintaining the Ring brand and largely allowing the company to continue operating as it has in the past. Last month, at CES in Las Vegas, Amazon unveiled several new Ring products, just a few months after debuting several other devices at an event at Amazon HQ.

American actress Zendaya Maree Stoermer Coleman (right), and celebrity stylist Law Roach attend The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the Camp: Notes on Fashion exhibition on Monday in New York. EVAN AGOSTINI / INVISION VIA AP

Amazon’s antitrust problems just hopped the pond.

Amazon’s drone research has accelerated over the past few years, as illustrated by last November’s revelations about one of the company’s drone prototypes. The latest publication adds to the store of publicly available information about Amazon’s plans.