When multiplying numbers with the same base, you add the indices, or powers, together. For example, x to the power of 4, multiplied by x to the power of 3, is x to the power of 4 add 3 ...

A stock index is a collection of stocks intended to ... which are market capitalization and share price. The S&P 500, for example, is weighted by float-adjusted market capitalization, while ...

The index incorporates various living expenses ... higher consumer prices as employers offset rising labor costs. For example, in December 2022, the COLA was 8.7% due to the high levels of ...