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Sean Williams

TMFUltraLong

Sean Williams is a data-driven Motley Fool contributing analyst who's been investing for 26 years and has penned north of 15,000 articles. You'll find him at the intersection of politics and investing tackling macroeconomic topics of interest (Social Security and Donald Trump's economic/tax policies), analyzing which stocks billionaire investors (e.g., Warren Buffett) are buying and selling, and digging into how the world's most-influential businesses and trends -- everything from the evolution of artificial intelligence (AI) to the next stock split -- are changing Wall Street. He holds a B.A. in Economics from the University of California, San Diego.

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Sean Williams

Recent Articles by Sean Williams

Are President Donald Trump's Tariffs Impacting Social Security's 2026 Cost-of-Living Adjustment (COLA) Estimate? We Have a Clear Answer ...

Warren Buffett Just Sold These 8 Stocks, One of Which Remains a Phenomenal Bargain (and a Top Holding of Mine)

Social Security Benefit Cuts Are Coming, and President Donald Trump's Popular Proposal Would Speed Things Up

This Recession Forecasting Tool Hasn't Been Wrong Since 1966 -- and It Has a Clear Message for Wall Street

Warren Buffett's $174 Billion Warning to Wall Street Serves Up a Bitter Truth for Investors

The S&P 500 Did Something in April That's Been Witnessed Only 6 Times in 75 Years -- and It Points to a Very Specific Directional Move for Stocks

3 High-Flying Artificial Intelligence (AI) Stocks That Can Plunge Up to 92%, According to Select Wall Street Analysts

Prediction: Wall Street's Hottest New Trend -- the Bitcoin Treasury Strategy -- Will Be a Spectacular Failure

Meet Wall Street's Most Prolific Stock-Split Stock Throughout History -- a Company Whose Shares Have Gained Nearly 337,000% in 52 Years

Here Are 8 Stocks Warren Buffett Bought During the First 3 Months of 2025 -- Including 2 Legal Monopolies

3 Seemingly Unstoppable Stocks I'd Sell Right Now

We Just Observed the S&P 500 Do Something for Only the 8th Time Since 1950 -- and It Has an Immaculate Track Record of Forecasting What's Next for Stocks

Prediction: Nvidia Just Received Its First Wall Street Sell Rating -- and More Will Follow After May 28

Warren Buffett's Cash Pile at Berkshire Hathaway Just Hit a Record $348 Billion -- and That's Terrible News for Wall Street

Here's the Average Social Security Retired-Worker Benefit Right Now

There's Only One Logical Choice to Be Wall Street's Next Stock-Split Stock, and It's Not the Company You're Probably Thinking Of

President Donald Trump Just Called for a Drastic Social Security Change -- but It Comes With Unintended Consequences

The S&P 500 Made a Historic Move for the 7th Time in 75 Years in April -- and It's Correctly Predicted Where Stocks Go Next 100% of the Time

Warren Buffett Bought $78 Billion of His Favorite Stock Like Clockwork for 6 Years -- but He's Now Gone 9 Months Without Buying a Single Share

Wall Street's Newest Stock-Split Stock -- Which Has Gained 343% in 5 Years -- Is Set to Make History

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