Ryan Christensen, account executive at Adviser Investments, has the market analysis for Tuesday, July 24. The Dow Jones Industrial Average and S&P 500 gained 0.8% and 0.5%, respectively, while the NASDAQ Composite declined fractionally. For earnings, we saw Biogen (ticker: BIIB) top expectations with 15% earnings per share growth and 9% revenue advances. BIIB closed the day up nearly 6%. Investors continue to react favorably to Biogen’s stockA financial instrument giving the holder a proportion of the ownership and earnings of a company. as the company is scheduled to present clinical trials on its experimental BAN2401 therapy at this week’s Alzheimer’s Association International Conference.