UPDATE 2-Alibaba-backed Best Inc raises $450 mln in IPO after slashing terms By: Reuters: Company News September 19, 2017 at 23:00 PM EDT * Biggest U.S. IPO by Chinese firm since ZTO October listing (Adds IPO pricing, Best declined to comment) Read More >> Related Stocks: Alibaba Group Holding Ltd Zto Express Cayman Inc ADR