Chris Hagan, vice president at Adviser Investments, has the market analysis for Friday, March 1. All major U.S. market indexes advanced today as investors reacted to encouraging trade-negotiation news. The Dow Jones Industrial Average, S&P 500 and NASDAQ gained 0.4%, 0.7% and 0.8%, respectively. Meanwhile, Amazon’s stockA financial instrument giving the holder a proportion of the ownership and earnings of a company. rose 2% on reports of plans to open dozens of lower-price-point grocery stores distinct from its Whole Foods chain in cities including Chicago, Los Angeles, Philadelphia, San Francisco, Seattle and Washington, D.C.