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Author: Bob Lang

Bob Lang is one of the country’s top options traders, an expert market technician, and a highly sought-after mentor and teacher. He is a private trader in equity and option markets and created his own hedge fund and options trading company called Explosive Options. He is also founder and Chief Options Analyst at Aztec Capital, LLC. He has been a regular contributor to TheStreet Pro's paid subscription products since 2009. Lang is both a short-term trader and long-term stock investor. He utilizes technical and fundamental analysis to find investment opportunities. His coverage for TheStreet Pro specializes in options trading, stock investing, and technical analysis. One of Lang’s claims to fame is his creation of the acronym FANG to describe the top tech companies at the time (Facebook, Amazon, Netflix, and Google). The acronym has since expanded considerably and is still widely used today. He is the author of the book “Know Your Options” and holds an MBA from the University of Redlands. When he’s not providing financial commentary for TheStreet, he can be found on the tennis court, reading, or traveling.

Chart of the Day: Time to Add to Applied Materials?

Avatar photo Bob Lang on August 4, 2026

Applied Materials

The massive equipment company has been hit hard by semiconductor selling but now the tide could be turning.

Chart of the Day: Axon Needs to Continue to Trend

Avatar photo Bob Lang on August 3, 2026

Axon (AXON)

The company reports earnings Wednesday and it’ll be interesting to see how the market responds.

Charting the Markets: History Says Down June/July Is Warning Sign. Is It?

Avatar photo Bob Lang on August 3, 2026

The S&P finished down for the month. and that’s not a good sign. But could this time be different?

Bearish Bets: Three Big Stocks, Three Big Falls

Avatar photo Bob Lang on August 2, 2026

Bear Bets

Let’s check out how a popular retailer, major heating and air conditioning play and a large lender are all falling quickly.

Chart of the Day: Eaton Is Losing Power

Avatar photo Bob Lang on July 30, 2026

Eaton (ETN) stock

The stock has traded poorly versus its peers.

Chart of the Day: Can Microsoft Deliver?

Avatar photo Bob Lang on July 29, 2026

Microsoft (MSFT)

Recent disappointment following earnings has plagued this company for about a year now.

Chart of the Day: Meta’s Day of Reckoning Is Here

Avatar photo Bob Lang on July 28, 2026

Meta Platforms

This mega-cap is set to report earnings on July 29 amid downbeat expectations.

Chart of the Day: Is Costco Finding a Low?

Avatar photo Bob Lang on July 27, 2026

Costco

The big retailer may be basing here before making its next move.

Charting the S&P 500: Another Setback for the Bulls

Avatar photo Bob Lang on July 27, 2026

S&P 500

Stocks had a chance to run higher this past week but missed their chance.

Bearish Bets: You Couldn’t Even Pawn Off These Three Ugly Charts

Avatar photo Bob Lang on July 26, 2026

Let’s look at three nasty charts of a health care company, pawnshop name and a manufacturing and energy conglomerate.

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