Individuals That Continually Monitor the Financial Markets Seeking Mispriced Securities

Individuals that continually monitor the financial markets seeking mispriced securities:

A) Tend to make substantial profits on a daily basis.
B) Tend to make the markets more efficient.
C) Are never able to find a security that is temporarily mispriced.
D) Are always quite successful using only well-known public information as their basis of evaluation.
E) Are always quite successful using only historical price information as their basis of evaluation.