changes in variance are somewhat predictable from past data Insiders can profit from public Information about insider trading D Question 21 1.5 pts What is the definition of a dealer? Only agents in the antique business are legally allowed to carry the title of a dealer. o Only agents in the real estate business are legally allowed to carry the title of a dealer. O A dealer acts on behalf of others as an agent to eam a commission O A dealer trades for himself or herself, acting as a principal, not an agent, and profits from a mark-up