Nasdaq 100 (NDX) First support is at 1864.57, the 200-day moving average. First resistance is at 1896.71. For the Nasdaq 100 Index Tracking Stock (QQQQ) first support is at $45.86. First resistance is at $46.72. S&P 500 (SPX) First support is at 1090.10. First resistance is at the 200-day moving average, last at 1115.63. For the Standard & Poor's Depository Receipts (SPY) first support is at $108.61. First resistance is at $111.79.