US STOCKS-Amazon, trade optimism power Wall St rally for third day By: Reuters: Company News January 08, 2019 at 13:49 PM EST * Indexes up: Dow 0.77 pct, S&P 0.56 pct, Nasdaq 0.70 pct (Updates to early afternoon) Read More >> Related Stocks: Amazon.com Apple Boeing Co Illumina Inc Microsoft PG&E Corp Union Pacific