来源：滚动播报 标普500指数回吐稍早涨幅，一度转跌。 标普500指数 指 US.INX 6867.520 +5.630 +0.08% 交易时段 Feb 20 12:29PM EST 今开 6843.260 最高 6909.870 量 13.64亿 昨收 6861.890 最低 6836.330 振幅 1.07% 上涨 216 下跌 286 平盘 1 4 标普500指数期货 6878.76 +0.03% > VIX 恐慌指数期货 20.54 -1.01% > 相关ETF 标普500ETF南方 1.798 -0.44% > 分时 五日 日K 月K H O 均价 :-- 最新:6867.520 +5.630 +0.08% 69091870 0.70% 688! 6861189 0.00% 16837900 6813.910 -0.70% 09:30 12:30 16:00 | MACD = [12,26,9] MACD:1.471 DIFF:-7.233 DEA:-7.969 ...

Group 1 - The S&P 500 index briefly turned positive during trading [1] - As of December 11, the S&P 500 index was at 6886.940, showing a slight increase of 0.260, or 0.00% [2] - The index opened at 6861.300 and reached a high of 6887.660, with a trading volume of 1.258 billion [2] Group 2 - The previous close for the S&P 500 index was 6886.680, with a low of 6833.450 during the trading session [2] - There were 390 stocks advancing, 110 declining, and 3 remaining flat [2] - The VIX (Volatility Index) futures decreased by 1.28% to 16.45 [2]