U.S. stock index futures gave up early gains late Sunday as the Dow and S&P 500 look to notch a fourth straight week of gains as earnings season kicks into gear. As of 10 p.m. Eastern, Dow Jones Industrial Average futures ym00 which has risen about 75 points soon after the overnight session began, were down 130 points, or 0.5%, while S&P 500 futures es00 and Nasdaq-100 futures nq00 were down about the same percentage. Stocks closed with modest gains Friday, as the Dow and S&P 500 ended with weekly gains for a third consecutive week. The Dow djia finished the week 2.3% higher, the S&P 500 spx booked a gain of 1.3%, while the Nasdaq comp lost 1.1%. A number of prominent companies are set to release quarterly earnings this week, including Tesla tsla, Microsoft msft, Intel intc and United Airlines ual.