After 1930 the World went into the Great Depression. Half the pwople on this planet just joined the free market system and their economies are gowing quickly and so is that of the US.
Technology companies are going to continue to produce innovation and profit and that will continue so long as the Global Economy expands.
Every day new technology is created and seeks funding toget it to market and the stock exchange is the most efficent way we have so far invented of making that happen.
"Bubbles" and "post Bubbles" and similar language makes good copy and scares a few people but it has zero influence on innovation, the pace of which is if anything increasing.
Market Data 
Markets 
AI
