US STOCKS-Wall St at record highs on rising hopes of tax overhaul By: Reuters: Company News December 15, 2017 at 14:50 PM EST * Indexes up: Dow 0.68 pct, S&P 1 pct, Nasdaq 1.21 pct (Updates to late afternoon, adds commentary, changes byline, adds dateline) Read More >> Related Stocks: CSX Corp Costco Wholesale KKR & Company LP Oracle Corp