Vice President Josh Jones has the market analysis for Monday, September 24. Major U.S. stockA financial instrument giving the holder a proportion of the ownership and earnings of a company. indexes posted mixed results, with the NASDAQ experiencing fractional gains and the Dow Jones Industrial Average and S&P 500 down 0.7% and 0.3%, respectively. Comcast declined 6% on news of its $40 billion winning bid for European television provider Sky. SiriusXM’s stock also fell—down 10%—as investors reacted to SiriusXM’s purchase of Pandora Media.