A longtime strategist sees 6 warning signs that stocks could tumble 20%

A longtime strategist sees 6 warning signs that stocks could tumble 20%

ANGELA WEISS / AFP via Getty ImagesJim Paulsen is eyeing a market decline of as much as 20% in the coming months.The Wall Street veteran pointed to signals that stocks are headed for a "consolidation."The market looks "extended," he said, advising investors to play defense with their portfolios. The warnings are stacking up for the US stock market, according Jim Paulsen, a Wall Street veteran and the former chief strategist at The Leuthold Group…