Equity indexes gave up gains late in the day amid concerns over Syria but ended little-changed, while the CBOE Volatility Index surged.
The S&P 500 was down 6.72 points to close at 1656.78. It was just shy of 1670 in the morning but slipped sharply late in the day into negative territory. It has resistance at 1680 and support at 1600.
The Nasdaq 100 was down just 1.59 points to close at 3122.67. It had climbed to 3147 and then gave up those gains late in the afternoon. It has resistance at 3149 and support at 3000.
The Russell 2000 was up just barely to close at 1038.47. It has resistance at 1055 and support at 1012.
The VIX was up 1.01 or 7.22 percent to 14.99, the high of the day. It had fallen to 13.90 but was positive for almost the whole session.
The VIX futures followed higher. The September futures were up 0.65 points to 15.85, and the October contracts rose 0.45 points to 16.70. That had the iPath S&P 500 VIX Short-Term Futures Note (:VXX) up 3.31 percent to $15.29.
More From optionMONSTER