The Dow Jones Industrial Average is up 4.2%, which would be its best first-half performance since 2021 when it rose 12.7%, according to Dow Jones Market Data. The Nasdaq Composite is up nearly 20%, but it will need to top 31.7% to beat the mark it set last year. The S&P 500 Growth Index is beating the S&P 500 Value Index by 19.6 percentage points this year, according to Dow Jones Market Data.