The CBOE Volatility Index surged more than 32 percent as equity indexes fell sharply on geopolitical fears.
The S&P 500 was down 23.45 points, or 1.18 percent, to 1958.12. That was its worst close in three weeks and left the SPX below its 10- and 20-day moving averages. Resistance is at 1985 and support at 1950, then 1930.
The Nasdaq 100 dropped 54.33, or 1.38 percent, to 3878.01. It finished below its 10-day moving average but remains above its 20-day line. It has resistance at Wednesday's high of 3947 and support is 3840, then 3800.
The Russell 2000 tumbled 17.95 points, or 1.56 percent, to 1133.60. That was its lowest close since the start of June. The small-cap index has resistance at 1180 and support at 1100.
The VIX jumped 3.54 points, or 32.18 percent, to 14.54. The nine-day CBOE Short-Term Volatility Index (:VXST) was up a whopping 5.97 points, or 58.19 percent, to 16.23.
The VIX futures followed higher, with August contracts at 13.70 and September futures at 14.25. That pushed the iPath S&P 500 VIX Short-Term Futures Note (VXX) up 9.75 percent to $29.93.
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