The SPX fell sharply in the final minutes to close at 1379.32, down 5.98 points, or 0.43 percent.
The Nasdaq 100 held onto its gains to finish positive by 0.41 points, or 0.02 percent, at 2642.53. The NDX was boosted by a gain in Apple of 2.64 percent, or $15.73, pushing shares back above the $610 level.
The Russell 2000 dropped 4.64 points, or 0.59 percent, to close at 786.94.
S&P 500
Resistance is now 1380, followed by 1382.26, 1384.68, and 1390.Nasdaq 100
Support is now 1379, followed by 1374.04, 1367.30, and 1363.18.
Resistance is now 2645, followed by 2651.48, 2659.01, and 2662.62 (Monday's high).Russell 2000
Support is now 2640, followed by 2636, 2625.10, and 2606.98.
Resistance is now 788, followed by 790.13, 792, and 794.
Support is now 786.43 (yesterday's low), followed by 786, 784.22, and 783.
