We try not to have many investing 'rules,' but there is one that has served us well: If we decide we were wrong about something, in terms of why we did it, we exit, period.
David EinhornRead
The enthusiasm for Tesla and other bubble-basket stocks is reminiscent of the March 2000 dot-com bubble. As was the case then, the bulls rejected conventional valuation methods for a handful of stocks that seemingly could only go up. While we don't know exactly when the bubble will pop, it eventually will.
Interpretation
The quote warns about the dangers of investing in overhyped stocks without solid valuations, comparing it to the dot-com bubble.
David Einhorn draws a parallel between the current enthusiasm for Tesla and similar high-flying stocks to the dot-com bubble of the early 2000s. He highlights how investors often ignore traditional valuation metrics in favor of speculative growth potential, which leads to unsustainable price surges. While the timing of when such a bubble will burst is unpredictable, history suggests that it is an inevitable occurrence.
In practice
A financial advisor might use this quote during a seminar on stock market risks.
We try not to have many investing 'rules,' but there is one that has served us well: If we decide we were wrong about something, in terms of why we did it, we exit, period.
Working for company X and having a substantial portion of your retirement plan in company X is simply exposing yourself to too much risk, because the company is both your employer and the source of your retirement income. So if something goes wrong, you lose both your job and your retirement plan.
If investing is entertaining, if you're having fun, you're probably not making any money. Good investing is boring.
Short term volatility is greatest at turning points and diminishes as a trend becomes established
A stock certificate is not a tool, like a shovel, or a commodity, like a pound of cheese. What we sell a customer is not a share in a business, but a view of the Elysian Fields. A financier is a creative artist. Our function is to stimulate the imagination. We are poets!
After costs, only the top 3% of managers produce a return that indicates they have sufficient skill to just cover their costs, which means that going forward, and despite extraordinary past returns, even the top performers are expected to be only as good as a low-cost passive index fund. The other 97% can be expected to do worse.
I'm not emotional about investments. Investing is something where you have to be purely rational and not let emotion affect your decision making - just the facts.
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