https://www.reuters.com/article/us-uber-ipo-stocks/uber-starts-trading-at-42-a-share-6-7-below-ipo-price-idUSKCN1SG1TD >Uber Technologies Inc's stock on Friday opened down 6.7 percent in its first trade on the New York Stock Exchange, in the most high-profile U.S. market debut since Facebook Inc seven years ago.