Both the Dow Jones Industrial Average and S&P500 retreated from record highs amid fresh doubts about substantive progress on a partial trade deal with China ahead of a 15 December deadline for the increase of import tariffs - Dow lost -102-points or -0.36% Boeing Co settled --0.7% lower after a volatile session after the National Transportation Safety Board (NTSB) recommended the company develop a “more robust” design of its plane’s engine structure and components. The recommendation was announced during an NTSB meeting. The stock had been up in early morning trade after receiving 50 orders for its grounded 737 MAX. The broader S&P500 -0.06%, The technology-centric NASDAQ added +0.25% to 8,851 and logged its third consecutive record closing high. Advanced Micro Devices was the leading Nasdaq performer, gaining +3.5% to US$41.29 – its highest level since 2 March, 2006 - after launching a new graphics card for 3-D designers, architects and engineers. Macy’s Inc sank more than 10% in Tuesday trading after reports that the department store retailer experienced a data breach in October.