Past to present Secular bull markets: Fertilizer, Metal commodities, Oil,
Today's New Secular Bull markets : Rare Earth elements, Lithium, Optical communications
How Shorting stocks in Secular bull markets can be Dangerous to your life not just your wealth:
Short selling: Proceed with caution - Adolf Merckle was one of the wealthiest people in Germany when he risked a fortune "shorting" Volkswagen stock. His multi-hundred-million-dollar bet that the stock price would decline proved a risk he couldn't afford to take, particularly with the rest of his business empire crumbling. With more than a little help from Porsche, VW stock skyrocketed and Merckle - after being forced to sell off assets and beg for loans - hurled himself in front of an oncoming train.