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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.

Nike Rallies as Execution Improves but There’s a Problem

Avatar photo Stephen Guilfoyle on July 1, 2026

The once-prestigious apparel firm has turned some heads on Wall Street.

Sticking With This Alto Ingredients Price Target as Breakout Develops

Avatar photo Stephen Guilfoyle on July 1, 2026

Price Targets

Readers should take note of some action in the stock chart for this small-cap name.

Semi Shocker; Micron, Intel, AMD Hit Home Runs; Warsh Gets to Work

Avatar photo Stephen Guilfoyle on July 1, 2026

Let’s pop open the hood and look at the market in June and Q2 to zero in on the winners; also, why we must watch the new Fed head closely today.

Drone Firm AeroVironment Crushes Expectations, When Is the Right Time to Buy?

Avatar photo Stephen Guilfoyle on June 30, 2026

The unmanned aircraft name turned heads on Wall Street and I have a trade idea.

New Rocket Lab Price Target After $8 Billion Iridium Update

Avatar photo Stephen Guilfoyle on June 30, 2026

We’re adjusting our target price for the aerospace name after some big news.

Mag 7 Down $2.3T!; The SpaceX IPO Order Mystery; Semis Spring Back

Avatar photo Stephen Guilfoyle on June 30, 2026

Let’s check how far the Magnificent 7 market cap fell in June, a strange Korean broker drama, and Warren Buffett’s caution on Gates Foundation.

New SpaceX Trade Idea After Charter Communications Report

Avatar photo Stephen Guilfoyle on June 29, 2026

Elon Musk’s aerospace firm is now headed to a prestigious index.

Sticking With This Rocket Lab Price Target After $8 Billion Acquisition News

Avatar photo Stephen Guilfoyle on June 29, 2026

The small-cap aerospace firm will reportedly add a significant satellite name.

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.

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