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.

The rebirth and fall of 4 major technology stocks in 10 years

Rebirth and fall of 4 technology stocks, Ten years ago, in early November 2011, Microsoft’s market capitalization was about $124.7 billion, and Intel was about $127 billion; the two were almost on par. However, as of November 4, 2021, Microsoft is 2.53 trillion US dollars, Intel is about 204.1 billion US dollars; Microsoft’s market value has caught up with Apple’s market value at the end of October, 12 times that of Intel!

Abbott, the world’s most important medical device and nutritional food supplier, how does it make money?

Abbott, the world’s most important medical device and nutritional food supplier, Abbott was founded in 1888 by Wallace C. Abbott. Abbott’s main business is pharmaceuticals (which was spun off into an independent public company AbbVie in 2013, ticker: ABBV), medical devices, and nutritional products,

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