I recently re-read John Kenneth Galbraith’s book “A Short History of Financial Euphoria”. While it was published in 1993, it is as valid today as it was then. It is a quick read with at 110 pages of larger print.
"When the same or closely similar circumstances occur again, sometimes in only a few years, they are hailed by a new, often youthful, and always supremely self-confident generation as a brilliant discovery in the financial and larger economic world.