Answer: Mania
Explanation:
Mania is defined as disorder state in which an individual abnormally has uplifted energy, expression and affect.It is also known as manic syndrome.
Symptoms displayed in this syndrome are irritability, racing thoughts and feelings, increased energy,high talking speed , increase in activity etc.
According to the question.Mr. Hoffman's behavior is depicting about mania.He has big thoughts about spending his complete savings on horse race and giving advice to others for making money in stock market.This displays his inappropriate rapid thinking for spending and making money .
