The long-term upper trend line for the daily chart identifies 1680-1690 as firm resistance, which held during May-June. If the bulls can recover back above SPX 1600 and march higher again, the 1680-1690 remains as a firm battle zone with long-term (weeks, months, years) ramifications. This information is for educational and entertainment purposes only. Do not invest based on anything you read or view here. Consult your financial advisor before making any investment decision.