S&P 500 index this week closed with loss at 2047. On weekly chart, price trend and momentum both are strong bullish for S&P. On downside 2020 is major support level and on upside 2105 and then 2155 are resistances as well as target zones for medium terms. Traders above 2020 keep buy and accumulate view for upside targets. Any weekly closing below 2020 means fresh bearish trend for targets 1975 and then possibly 1880.