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2023年7月17日 · 50-day moving average. The most well-known measure of market sentiment is the CBOE Volatility Index, or VIX. The VIX measures expected price fluctuations or volatility in the S&P 500 Index options...
Widener, a photographer with the Associated Press, was focusing his camera on a line of tanks in Beijing’s Tiananmen Square when out of the blue came this man in a white shirt and dark trousers,...
