The market wide circuit breaker (MWCB) rule uses which of the following as the pricing reference point to measure a market decline?
A) The S&P 100 index recalculated monthly
B) The Wilshire index recalculated daily
C) The S&P 500 index recalculated daily
D) The DJIA recalculated quarterly
Answer: C) The S&P 500 index recalculated daily