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The week's question
In December 2024, in the thread "Re: BRK: Why Not XOM?", BreckHutHigh asked the members: "What about the long road trips with kids?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Stocks A to Z / Stocks B / Berkshire Hathaway (BRK.A)
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Author: mungofitch 🐝🐝🐝 GOLD
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Number: of 21939 
Subject: Re: About that Berkshire
Date: 05/24/24 6:32 AM
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No. of Recommendations: 22
For example: to make money, you have to sell stuff. It's an imperfect metric, but not useless--in the long run profits, therefore value, can't rise faster than sales do.
...
Of course they can. Bring down the costs. COGS for a heavy non-recurring cost company like Meta and maybe even NVidia and in general all tech companies don't follow this logic at all.


No, it's a mathematical impossibility.
If profits rose faster than sales over the long run, then soon enough profits would exceed revenues, which obviously can never happen.
Net margins can change for sure, with good and bad years and good and bad decades. Taxes go up and down, and interest costs go up and down. And some companies will have much higher ranges than others.

But over time net margins are DEFINITELY limited to a range, forever. This is true both of the market as a whole, and for every individual company within it.

Jim
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This community has written 21,448 posts about Berkshire Hathaway. The article-length ones it recommended most:
BRK: Why Not XOM? · 62 recs · 2024
Second quarter comments · 60 recs · 2023
Berkshire's Profit Contributors · 57 recs · 2023
Summary of 2Q 2026 · 54 recs · 2026
3Q Summary · 53 recs · 2024
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