Rafael Lopez
Rafael Lopez @rafaeldfl

Performance
All

31.59%2026
2026
42.85%2025
2025
28.71%2024
2024
35.69%2023
2023
42.9%0%-42.9%
Discussions
Rafael Lopez
Rafael Lopez
Brazil
3d
Edited
Warren Buffett has long cited Ted Williams’ 1970 classic, The Science of Hitting, as one of the single best mental models for investing. Williams famously mapped the strike zone into 77 squares, proving that swinging only at pitches in his “sweet spot” produced a .400 batting average, while reaching... Show More
Rafael Lopez
Rafael Lopez
Brazil
18d
Edited
Banks are widely positioned to be among the largest aggregate financial beneficiaries of AI driven efficiency gains. Major consulting and investment banking studies (such as those from Citigroup, McKinsey, and PwC) consistently highlight banking as one of the sectors with the highest absolute profit... Show More
Rafael Lopez
Rafael Lopez
Brazil
1mo
Edited
The phenomenon of institutional fund managers prioritizing job security over maximizing returns is one of the classic principal agent problems in asset management. Keynes captured this dynamic best: "Worldly wisdom teaches that it is better for reputation to fail conventionally than to succeed unconventionally."... Show More
Rafael Lopez
Rafael Lopez
Brazil
1mo
Edited
Dear copiers, We have decided to make a few adjustments to our strategy in pursuit of a better balance between performance and volatility. I have recently been writing about the market impact of financial instruments, such as 0DTE options and leveraged ETFs, which, combined with a growing number of... Show More
Rafael Lopez
Rafael Lopez
Brazil
2mo
Edited
The 60-day realized volatility across Technology, Media, and Telecommunications (TMT) stocks has seen a noticeable uptick in July, driven by shifting market dynamics around Big Tech capex, rate expectations, and macro uncertainty. This realized volatility was the highest in many years, even when we... Show More
Rafael Lopez
Rafael Lopez
Brazil
2mo
Edited
When we try to think about future semiconductors demand over the next years, we should consider the Jevons paradox and the new FDE model. Here is how the Jevons paradox and FDEs will jointly shape semiconductor demand: Jevons Paradox vs. The FDE Bottleneck: As semiconductor manufacturing and software... Show More
Rafael Lopez
Rafael Lopez
Brazil
2mo
"In 1986, I purchased a 400-acre farm, located 50 miles north of Omaha ... I calculated the normalized return from the farm to then be about 10%. I also thought it was likely that productivity would improve over time and that crop prices would move higher as well. Both expectations proved out ... ...... Show More
Rafael Lopez
Rafael Lopez
Brazil
3mo
Edited
The current Artificial Intelligence capital expenditure (capex) supercycle represents one of the largest concentrated infrastructure buildouts in human history. To understand its scale, trajectory, and risks, we can compare it to the Railroad Booms of the 19th century and the Telecom/DotCom Boom of the... Show More
Rafael Lopez
Rafael Lopez
Brazil
3mo
Edited
Last week, $SMCI (Super Micro Computer, Inc) announced plans to raise approximately $7 billion through a combination of equity and equity-linked financing. What immediately caught our attention was the staggering level of shareholder dilution. With the company’s market capitalization adjusting to roughly... Show More
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SMCI
Super Micro Computer, Inc
39.47
-0.1200 (-0.30%)
Rafael Lopez
Rafael Lopez
Brazil
3mo
Edited
What does it mean to buy an asset that is constantly amassing earnings and cash while its price remains unchanged over time? For a disciplined investor, this is the ideal scenario, an opportunity to buy a great business at an increasingly attractive valuation. The stock market frequently presents these... Show More
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BRK.B
Berkshire Hathaway Inc
502.40
-3.63 (-0.72%)

About Rafael Lopez
Brazil
Strategy: Value

Over fifteen years' experience as a professional Value Investor.
Show Full Bio
1.4K Copiers
39.9K Followers

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