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.
Category: Patent
Qualcomm diversifies success, no nonger highly dependend on phone
Qualcomm diversifies success, no nonger highly dependend on phone, Qualcomm (ticker: QCOM) has a key position in the global technology industry, especially in the development of mobile phones in the past three decades