A famed economist who called the 2008 recession shares 3 ways stocks resemble some of the biggest bubbles in history — and warns 2 ‘bona fide’ recession signals showed up in May’s jobs data

• The S&P 500 has surged 31.8% in an eight-month rally, hitting new highs this week.
• David Rosenberg warns the market is historically overextended, comparing it to past bubbles.
• On top of that, the labor market is signaling a recession, Rosenberg warns.

For better or for worse, these are extraordinary times for US stocks.