Based on the long-term performance of the best and worst performers in the S&P 500, what can be inferred about the potential returns of equity investments?
a) Equity investments typically yield consistently high returns over the long term.
b) Equity investments have unpredictable returns, with some performing exceptionally well and others poorly.
c) Equity investments always result in losses over the long term.
d) Equity investments only yield modest returns compared to other investment types.
