On The Fly: Weekly technical notes for S&P 500For the week the S&P 500 was set to end lower for the first time in many weeks. At the last price of 3296.27, the index is well off its lows of the session but still down against last Friday's close. Support for the coming week, which has a very heavy earnings calendar, is in the range of 3280-3250. Resistance will be in the range of 3325-3340. The worst performing sectors were Energy (XLE), Materials (XLB), and the Industrials (XLI). The best sectors were the Utilities (XLU) and Technology (XLK). XLKTechnology Select Sector SPDR Industrial Select Sector SPDR S&P Select Materials SPDR Energy Select Sector SPDR | 