• Could the tide be turning for stocks? We look at some of the forces that could produce this.
• The odds on some of these are rather short, like a change in monetary policy, bond yields, the dollar.
• Others face longer odds, like stalling earnings, an overheating labor market and rising inflation.
• Then there are the gray (and even black) swans that could throw things off.

This Is How The Great American Bull Comes To An End | Seeking Alpha