ArcelorMittal, a big company that makes steel, bought a lot of shares in another company called Vallourec, which makes tubes for things like pipes and oil drills. This makes ArcelorMittal own more than 28% of Vallourec. They bought these shares because they think Vallourec will do well in the future and make more money. This is good news for ArcelorMittal because it means they are growing and can make more steel products. Read from source...

- He made the argument that the market is efficient and no one can consistently beat it
- He dismissed the idea of a bubble in the market, despite the high valuations and the low interest rate environment
- He used a strawman argument by attributing the current market situation to the pandemic, ignoring the fact that the market was already overvalued before the pandemic
- He used a false analogy by comparing the market today to the market in 2000, without acknowledging the differences in the economic and market conditions
- He used a slippery slope fallacy by implying that if the market is overvalued, then it must crash soon, without providing any evidence or reasoning to support this claim
- He used a circular reasoning by claiming that the market is overvalued because it is overvalued, without providing any objective criteria or data to support this claim
- He used a hasty generalization by claiming that the market is overvalued based on a short-term period of time, without considering the long-term trends and fundamentals of the market
- He used a personal attack by calling the author of the article a "bear" and a "pessimist", without addressing the substance of the article
- He used a red herring by changing the topic to the author's investment performance, instead of focusing on the argument presented in the article