There are indeed monopoly in this world

There are indeed monopoly in this world, Buffett said that a moat is the competitiveness of a business economy. Most companies have many competitors because a profitable industry attracts competitors to join in for a piece of the pie.

Why is TSMC’s profit margin much greater than competitors?

Why is TSMC’s profit margin much greater than competitors?

The lucrative semiconductor supply chain

The lucrative semiconductor supply chain

The disadvantages of retail investors

disadvantages of retail investors, In the previous blog article “The advantages of retail investors”, after receiving a lot of feedback from readers, this article is going to fulfill my previous promise–compared with institutional investors,

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