Oligopoly is a market controlled by a few companies, and each player's decisions are likely to affect the others. Mohnish Pabrai, a famous investment guru, once talked with Charlie Munger about oligopoly, concluding that oligopoly is a good way for companies to keep decent profit margins and stay competitive together.
Case 1:
Take the HDD (hard disk drive) industry as an example. In the past 25 years, it was a terrible business with over-competition and...

Event Description:
This event is to help mooers learn more about the differences among companies and industries, identify hidden opportunities, and better navigate the market.
"Information is the most important asset in business. The more you know, the more perspectives you have, and the more likely you are to spot patterns and anomalies before your competition. So always be open to new inputs, whether they are people, exp...

Dear mooers,
There are only a few days before the New Year's bell rings. New year, new hope!
For most investors, 2022 is a roller coaster ride. As we approach the end of 2022, all three major US stock indexes are on track to break their 3-year winning streaks and have their worst year since 2008. Let's look at the performance of the —an indicator of US stock performance this year:
* S&P 500 index focuses on the larg...