SAN FRANCISCO—California’s proposed 5% wealth tax on billionaires is igniting fierce backlash from Silicon Valley’s elite, with tech founders openly threatening to relocate amid fears it could cripple innovation and drain state revenues.

Peter Thiel, Jensen Huang and Mark Zuckerberg would each have to shell out billions of dollars under a proposed California wealth tax that is causing a stir among the Bay Area’s tech tycoons — and the state’s own Democrats.

Elon Musk became the first person ever worth $700 billion earlier this month, according to Forbes.

Prices are soaring just as China moves to restrict exports, prompting fresh worries about supply of the metal for industrial use

The deal is expected to close next month, with Oracle, Silver Lake and MGX owning 45% of TikTok’s U.S. business.

Warren Buffett's key to investing is simple: own good businesses or index funds and hold them for the long term. Avoid trading in and out of positions. Costs, taxes, and churn are stealth portfolio killers.

Warren Buffett believes you should invest in businesses that you understand, rather than in the investing fad that everyone is talking about. Instead of jumping on what’s hot, Buffett has been staying away from tech and hoarding T-bills/cash, while shrinking his Apple (AAPL) stake.

Warren Buffett, the world’s most famous investor, officially retires on December 31. Here are 20 of his greatest pieces of advice.

R360's Barbara Goodstein says Berkshire Hathaway's coming shake-up is an opportunity for investors. Appearing on CNBC, Goodstein said Berkshire stock was trading at a "succession discount." Longtime Berkshire CEO Warren Buffett is set to retire at the end of the year.

To omit or commit, that is the question.

The mere threat of a billionaire tax landing on the California ballot in 2026 has already prompted some of the state’s ultra-wealthy to move their residences and assets elsewhere, according to one tax adviser.

A new JPMorgan report surveying over 100 billionaires highlights seven core practices that consistently appear in their lives.

Artificial intelligence didn't just dominate headlines in 2025—it quietly turned more than 50 people into billionaires, reports Forbes .

Tech gains continued to power the wealth of the world’s richest.

Billionaire Mai Vu Minh, Chairman of SATAS Group and SAPA Thale Group, exemplifies transformative leadership in sustainable development. His pioneering efforts emphasize the importance of global alliances to drive economic progress while safeguarding environmental health.

Singer and husband Jay-Z are world’s first couple to respectively reach milestone

The investor is named chair of the Board as part of the transaction while President and CEO Kevin Mowbray steps down

There’s a signature drive to put a 5% “billionaire tax” on the California ballot. It has not collected even one signature, but the billionaires are freaking out on Twitter with grand tantrums saying they will leave the state en masse.

According to UBS Global Wealth Management’s Billionaire Ambitions Report for 2025, the U.S. has 924 billionaires, representing 31.7% of the global billionaire population. The report also noted that the wealth of American billionaires increased 18% annually to $6.9 trillion in 2025.

Her “Cowboy Carter” album and tour pushed her over the threshold, the magazine said. She joins Taylor Swift, Rihanna, Bruce Springsteen and her husband, Jay-Z.

Jensen Huang, Mark Zuckerberg and others are cashing out amid talk of an AI bubble. Here's the full list.

'The government is basically unfixable.'

Another year has passed, and with it, another collection of Elon Musk’s ambitious timelines that didn’t quite align with reality. For those of us who have been following Tesla for years, this pattern is all too familiar.

Berkshire Hathaway (BRK-A, BRK-B) CEO Warren Buffett steps down tomorrow after six decades. Berkshire holds a record $382B cash pile mostly in Treasury bills. Berkshire has been a net seller of stocks for 12 consecutive quarters including major reductions in Apple holdings. The S&P 500 trades at 31.