 Wall Street's closing higher, with the Dow Jones Industrial Average hitting a new record. Stocks rose as former President Trump officially became the GOP nomination on day one of the Republican National Convention. Shares in Trump media surged more than 30 percent following the assassination attempt on the former president over the weekend. At the closing bell, the Dow Jones Industrial Average gained 210 points, the S&P 500 added 15, and the Nasdaq climbed 74 points. I'm Lisa Taylor.