FactSet Senior Earnings Analyst John Butters provides an update of the key metrics for the third quarter earnings season for the S&P 500. Overall, 89% of the companies in the S&P 500 have reported actual results for Q3 2020 to date, with 86% reporting actual EPS above estimates. John also analyzes earnings estimate revisions for the fourth quarter. Are analysts raising or lowering earnings estimates for S&P 500 companies for the fourth quarter?