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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.

Bionic Micron! Memory Stocks Surge; 10K Portfolio Blasts Off

Avatar photo Stephen Guilfoyle on May 27, 2026

Micron’s now a $1T market-cap stock; $10K Portfolio rockets up 25.7% since its start; memory basket names make big gains.

Micron Price Target Gets Massive Boost

Avatar photo Stephen Guilfoyle on May 26, 2026

TipRanks’ No. 2-rated analyst comes out with MU’s newest target … get ready to do a double-take.

Trimming on Strength as 2 More Price Targets Are Smashed

Avatar photo Stephen Guilfoyle on May 26, 2026

Price Targets

We’re taking our targets higher on Planet Labs and Velo3D.

Will Missiles Speak Louder Than Words as Peace Talks Continue?

Avatar photo Stephen Guilfoyle on May 26, 2026

Let’s pay tribute to a true hero as we brace for a big week of inflation news … and dissect the latest in Iran talks.

New IBM Price Target After $2 Billion Quantum Computing Boost

Avatar photo Stephen Guilfoyle on May 22, 2026

The Big Tech firm has received a significant boost in its efforts to dominate the emerging sector.

Small-Cap 3D-Printer Name Breaches Price Target

Avatar photo Stephen Guilfoyle on May 22, 2026

We’re taking prudent action after Velo3D sees a surge.

Quantum Computing Gets Super Charged, Billion Dollar Boost for IBM, Warsh’s In!

Avatar photo Stephen Guilfoyle on May 22, 2026

Let’s check the major boost for quantum computing after promised funds, the surge for semis, and a new day for the Fed.

New Nvidia Price Target as Pullback Sets Up My Next Buy

Avatar photo Stephen Guilfoyle on May 21, 2026

There’s no way in heck that I am going to exit this name.

Rocket Lab Hits Price Target After Dilution Update

Avatar photo Stephen Guilfoyle on May 21, 2026

We paid a price for some inaction.

A New Hope for Iran Deal? My Advice for the Fed; Where’s the Nvidia Party?

Avatar photo Stephen Guilfoyle on May 21, 2026

Hope again on Iran? We’ll see. Also, Nvidia shows up but not the market; SpaceX reveals ticker; and what I’d tell the Fed.

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