[victoro0]

That's not at all what the article says. Naturally, it is good that the stock market goes up, i.e., the values of the companies goes up, if it's because of improved performance. The author argues the stock market is increasing more than it should based on increased inequality between the economy participants (stock holders, customers and employees), where one class of participant seem to be taking the biggest share of the pie. The author argues this creates a bubble situation that can lead to depressions.