Chris Hagan, vice president at Adviser Investments, has the market analysis for Thursday, September 20. Both the Dow Jones Industrial Average and NASDAQ gained 1.0%, with the latter reaching its highest level since January. The S&P 500 also advanced 1.1%. The National Association of Realtors released August home sales data, which revealed an inventory increase for the first time in three years. Amazon unveiled 15 new “smart” home products—each synchronized with Alexa-enabled technology. In a sharp reversal of yesterday’s 38% gains, the stockA financial instrument giving the holder a proportion of the ownership and earnings of a company. of Canadian cannabis producer Tilray fell 17% on news that Congressman Matt Gaetz (R-FL) questioned the Drug Enforcement Administration’s approval of Tilray’s plan to import and test cannabis within the United States.