The Dow Jones Industrial Average is a stock market index. It is an index that shows how 30 large, publicly owned companies based in the United States have traded during a standard trading session in the stock market.
Standard & Poors 500 (S&P 500) Weekly Close
The S&P 500 is a stock market index which contains the biggest 500 companies in the U.S. This index provides a broad snapshot of the overall U.S. equity market as over 70% of all U.S. equity is tracked by the S&P 500 and it is therefore one of the most important stock indexes of the world.
The Chicago Board Options Exchange Market Volatility Index is a popular measure of the implied volatility of S&P 500 index options. Often referred to as the fear index or the fear gauge, it represents one measure of the market's expectation of stock market volatility over the next 30 day period. If the market makes a new high and the VIX does not make a new low, caution is warranted.