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Author: Stephen Guilfoyle

Stephen "Sarge" Guilfoyle is the founder and President of Sarge986 LLC, a family run trading operation. An NYSE floor trader for over 30 years, Guilfoyle has served as the Chief Market Economist for Stuart Frankel & Co., the U.S. Economist for Meridian Equity Partners, and as a Vice President in Block Trading and Investment Banking with Credit Suisse over the years. Guilfoyle earned his nickname “Sarge” while serving as an actual sergeant in reserve components of the U.S. Marine Corps, and U.S. Army while simultaneously working on Wall Street. He self-identifies as a day trader, long-term investor, and anything in between. He believes in removing the emotion out of the decision-making process and trusting the data. Look to Guilfoyle to prepare you for the trading day with his popular early morning Market Recon newsletter on TheStreet Pro, which provides a mix of fundamentals, technical analysis, economic commentary and trading ideas.

Runaway Robots, Rising Oil, Soaring Semis, SpaceX Headaches

Avatar photo Stephen Guilfoyle on July 22, 2026

Let’s check the latest on how AI escaped the ‘sandbox,’ oil prices amid Iran unrest, the tech trade and … what’s happening with SpaceX.

Buying More of This Small-Cap Name as Shares Fall Under Pressure

Avatar photo Stephen Guilfoyle on July 21, 2026

Buy, Sell stock

We’re also looking to take some profit after a $6.9 million update boosted another name.

New GM Trade Idea After Historic Earnings

Avatar photo Stephen Guilfoyle on July 21, 2026

The automaker enjoyed a strong report and I’ve got a lucrative trade idea.

Taiwan Semi to Hike Prices, AMD Advances, Iran Fighting Expands

Avatar photo Stephen Guilfoyle on July 21, 2026

Here’s the latest on the war with Iran, threatened tariffs on Canada, and the semiconductors as AMD & Microsoft cozy up with Helios deal.

Why I’m Buying IBM After 115-Year Record Plunge

Avatar photo Stephen Guilfoyle on July 20, 2026

IBM CEO

The Big Tech giant had its worst losses in more than a century but the bottom might be in.

Why I’m Not Chasing AMC’s Odyssey

Avatar photo Stephen Guilfoyle on July 20, 2026

AMC theaters

Here’s the latest on our Ocular Therapeutix trading strategy, a planned purchase for today and some additional portfolio news.

Oil Climbs; AMD Takes Stage; Google, Other Big Earnings on Tap

Avatar photo Stephen Guilfoyle on July 20, 2026

Iran fighting rages on; Advanced Micro Devices showcases at AI event; GM, Alphabet, IBM, Tesla, Lockheed Martin and American Express among names reporting.

Our Ocular Call Is Set to Expire as Market Struggles

Avatar photo Stephen Guilfoyle on July 17, 2026

Market Selloff

We’re a bit handcuffed when it comes to making moves in our small-cap portfolio.

Netflix Sends Weak Message to Investors as Disappointment Drives Selloff

Avatar photo Stephen Guilfoyle on July 17, 2026

Netflix sign

The streaming giant hasn’t been able to convince Wall Street after a poor revenue update.

Tech Trade Tumbles, Crude Climbs, Main Street Turns Mean

Avatar photo Stephen Guilfoyle on July 17, 2026

Technology gets hit with the ugly stick, oil prices rise on renewed fighting, and the view on Main St. looks mean. Also, how to cool a runaway machine gun….

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