A global expansion based on a monumental credit bubble. This cannot last and the aftermath will be horrendous IMHO no matter who wins in November. In fact the winner might envy the loser. But it was fun while it lasted.
That said reasonable chance of a final strong rally before everything falls apart.
“The things that will destroy us are: politics without principle; pleasure without conscience; wealth without work; knowledge without character; business without morality; science without humanity; and worship without sacrifice.” Mahatma Gandhi