Stocks fluctuated again on the final day of the month. Like the past four days, moves were driven by a mix of earnings. Exxon Mobil (XOM) - Get Report dragged on the Dow Jones Industrial Average, while Alphabet (GOOGL) - Get Report boosted the tech sector. Residual worries over the Brexit vote and economic growth here at home kept consumer sentiment under pressure in July. The final reading this month came in at 90, down from 93.5 in June. Microsoft (MSFT) - Get Report detailed plans overnight to lay off nearly 3,000 employees, 900 of which have already been completed. The layoffs tie into the restructuring of the sales group announced earlier in this month. Cigna (CI) - Get Report fell after cutting full-year forecasts and reporting softer second-quarter earnings. The health-insurance provider said a headwind in its group disability and life division was hurting the business.