economy
February 19, 2026
Some crazy post-earnings stock swings cast a spotlight on the dangers of trading
We are seeing some of the most stupid moves during this earnings season, and the last 24 hours were among the dumbest.
TL;DR
- Trading during earnings season is often characterized by "stupid" and volatile stock movements.
- Investing, which involves holding shares long-term based on fundamental analysis, is promoted over trading.
- Examples like Walmart, Carvana, and DoorDash illustrate how quick trading decisions based on incomplete information can be detrimental.
- Walmart's stock initially dropped due to a low forecast but recovered, attributed to investor ignorance of management's guidance practices.
- Carvana's stock experienced a significant drop after its earnings report, which the author deemed excessive given the company's actual performance metrics.
- DoorDash's stock rallied after the company reported positive growth and profit figures, despite heated competition.
- The author stresses that while profitable trading is possible, it requires deep knowledge of stock behavior and patience, making it difficult and generally not recommended.
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