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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.

Bad ‘Memory’!; I’m Trimming & Bailing on These Tech Stocks; Peace … Out?

Avatar photo Stephen Guilfoyle on July 8, 2026

It’s looking tough out there on several fronts, including on Iran, the storage/memory stocks like SanDisk and Seagate, and tech names like Intel.

Palantir Was One of My Best Trades. Time to Get Back In?

Avatar photo Stephen Guilfoyle on July 7, 2026

Palantir (PLTR)

Let’s check the chart, and some promising news, and see if Palantir is ready to roar as it approaches earnings.

New SoFi Price Target as Swing Traders, Portfolio Managers Align

Avatar photo Stephen Guilfoyle on July 7, 2026

The small-cap financial services firm announced the launch of a new ETF product.

Why I’m Eyeing Lockheed, RTX; Fire in Hormuz; SpaceX Lands on … Nasdaq 100

Avatar photo Stephen Guilfoyle on July 7, 2026

As U.S.-Iran truce hits bump after ship hit in Hormuz, I’m eyeing adding to these defense stocks; also the latest on NATO, SpaceX and Monday’s market.

‘Logic’ Tells Me to Buy Lam Research, but Not Yet

Avatar photo Stephen Guilfoyle on July 6, 2026

LRCX will be a good stock to buy and maybe soon, but not this morning. Here’s how I’d approach this tech winner.

Buying More Ondas Holdings After $875 Million Acquisition News

Avatar photo Stephen Guilfoyle on July 6, 2026

Drones, military

The small-cap drone firm turned heads on Wall Street with an update on a significant acquisition.

Michael Burry Vs. My Panic Points; Ferocious Foxconn Sales; Bad Jobs Data

Avatar photo Stephen Guilfoyle on July 6, 2026

Why I’m sticking to plan on memory stocks; also, let’s brace for the week ahead, check the markets’ charts, and interpret those jobs numbers.

Memory Stocks Made Us Some Cash, Then Came Wednesday. Now What?

Avatar photo Stephen Guilfoyle on July 2, 2026

SanDisk (SNDK)

SanDisk, Micron, Western Digital and others got a Wednesday beating, so let’s take a look at the charts and see how to handle ’em now.

Sticking With This Evolv Technologies Price Target as Swing Crowd Wakes Up

Avatar photo Stephen Guilfoyle on July 2, 2026

Wall Street

The small-cap security screening name has announced a multi-year deal with TD Garden in Boston.

SanDisk Slashed, Micron Mashed; Jobs Day Forecast; And Are You at Your Desk?

Avatar photo Stephen Guilfoyle on July 2, 2026

Let’s look at the beating taken by memory stocks yesterday, the shot at a September rate cut, jobs day , and how July 4 week used to work for traders.

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