Something extraordinary happened this week in the investing world—not just in the numbers that flashed across trading screens, but in what those numbers revealed about human nature and market psychology.

Guy Spier, that most patient of value investors, just did the unthinkable, selling nearly everything in a dramatic portfolio purge. Meanwhile, America's banking giants watched billions evaporate from their market values as political intervention threatened to rewrite the rules of an entire industry.

The market's message? Nothing is as certain as it once seemed.

In our featured video, we explore Guy Spier's shocking portfolio transformation—a 63.5% reduction in holdings by one of Warren Buffett's most devoted disciples.

For years, Spier has preached the gospel of patience, of holding forever. Now he's selling nearly everything. What does this master of restraint see that the rest of us are missing?

The video traces each position he closed, each stock he trimmed, and—perhaps most tellingly—the three companies he refuses to touch. When someone who made his fortune by doing nothing suddenly does everything, wise investors pay attention.

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Taiwan Semiconductor's Massive AI Investment

TSMC reported record fourth-quarter profit that jumped 35%, beating Wall Street's expectations on strong AI chip demand. But here's what matters more: the company plans to spend up to $56 billion in 2026, a sharp increase from last year. When the world's biggest chipmaker puts this much money on the table, they're betting the AI boom is real and lasting. They're not guessing—they're building for what comes next.

Goldman Sachs Signals Wall Street's Comeback

Goldman Sachs crushed expectations with earnings of $14.01 per share, powered by a 25% surge in equities trading to $4.31 billion. CEO David Solomon called it the start of a "renaissance" and predicted 2026 would be a breakthrough year for mergers and deals. After years of quiet markets and tight regulations, the investment bankers see their moment returning.

Alphabet Reaches $4 Trillion on Apple Partnership

Google's parent company hit $4 trillion in value after Apple announced it would use Google's Gemini AI to power the next version of Siri. This made Alphabet the world's second-most valuable company, behind only Nvidia. Think about what this means: Even Apple, a company famous for doing everything itself, had to admit Google built the best AI technology. That's not just a win—it's validation from your toughest critic.

JPMorgan Beats Estimates But Warns of Trouble Ahead

JPMorgan reported strong adjusted earnings of $5.23 per share, well above what analysts expected, even after taking a $2.2 billion hit from buying Goldman's Apple Card business. But CEO Jamie Dimon cautioned that markets "seem to underappreciate the potential hazards" including geopolitical risks, sticky inflation, and high asset prices. Dimon has made a career of making money while staying worried. When he sounds nervous, smart investors take note.

Bank Stocks Crater on Interest Rate Cap Proposal

Citigroup fell more than 7% this week, Bank of America dropped roughly 6%, and Wells Fargo declined almost 7% after President Trump called for a temporary 10% cap on credit card interest rates. The proposal came with no clear path to becoming law, but investors didn't wait for details. Billions in market value disappeared in a matter of hours. The simple truth: when politicians start talking about capping what you can charge customers, your business model is suddenly in question.

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