Trader Brian Jones on Twitter: "S&P has held 4120 three times this week. So that's short term support and if that gets taken out on the downside that would be a negative for the market. https://t.co/fsPHeMfkLE" / Twitter

S&P has held 4120 three times this week. So that's short term support and if that gets taken out on the downside that would be a negative for the market.