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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.

Nasdaq 100 Passes Technical Test; Semis’ Tough Week; Iran Spat Calms?

Avatar photo Stephen Guilfoyle on June 29, 2026

Let’s dive into the charts and why they point to a possible a.m. tech rally; look down at ON Semiconductor, Arm Holdings and Qualcomm; and check the latest on Iran.

Wendy’s Goes Full Meme: How I’m Riding the Reddit Momentum

Avatar photo Stephen Guilfoyle on June 26, 2026

This is nothing more than a trading vehicle, but a double stack of Wall Street Bets and 38% short interest makes it appetizing.

I’m Eyeing 4 Stocks Today, Including One Hit By a Short Report

Avatar photo Stephen Guilfoyle on June 26, 2026

Let’s check that Morpheus report and why I want to see another ‘side’ to the story; also, three price targets shift.

Make or Break Day for Brokers, Danger on Chart, Mag 7 Down

Avatar photo Stephen Guilfoyle on June 26, 2026

Here’s why good economic data is weighing down stocks, Russell’s rebalancing will make winners and losers and the chart looks … perilous.

Exiting 2 Positions as We Mitigate Risk for the $10K Portfolio

Avatar photo Stephen Guilfoyle on June 25, 2026

Selling Stock

We’re enforcing our 8% rule again.

Micron Report Is Greatest in Recent ‘Memory’. Here’s How I’m Responding

Avatar photo Stephen Guilfoyle on June 25, 2026

Micron

Micron’s quarterly report could be among the best in the history of corporate America. But will we see a Hynix hiccup?

Micron’s Mega Move; Banks’ Clean Bill of Health; Wendy’s … Wow!

Avatar photo Stephen Guilfoyle on June 25, 2026

Micron blows away expectations, boosting storage trade; banks pass stress test, Lockheed locks up defense deal and, wow, Wendy’s!

Going Shopping for 4 Stocks in the $10K Portfolio

Avatar photo Stephen Guilfoyle on June 24, 2026

Shopping Cart, Shopping List

A number of low-priced names are on sale now.

Cerebras Hits an All-Time Low on Margins. I’m Not Rattled.

Avatar photo Stephen Guilfoyle on June 24, 2026

Cerebras (CBRS)

Sales projections are strong and the demand is there. Here’s how I plan to get ‘involved.’

Is This Just the Latest Example of Algorithmic Overshoot?

Avatar photo Stephen Guilfoyle on June 24, 2026

Let’s get real about South Korea’s wild market swings, a new ADR listing, oil’s decline, the DJIA, and what I’m seeing from the S&P 500.

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