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Jim Mueller, CFA

TMFTortoise

Jim learned how businesses are run while putting his Ph.D. in biochemistry to use at a small biotech company. He changed careers to work at the Fool, where he's improved his investing process and developed an appreciation for the long-term view.

Recent Articles by Jim Mueller, CFA

Mar 3, 2022 by Jim Mueller, CFA and Bill Mann

This Psychological Barrier Could Cost Your Portfolio Big Time

Adding to winners is easy to say, but it's hard to do.

Oct 20, 2021 by Jim Mueller, CFA

Investing in Renewable Energy

Getting your head around the sector.

Aug 5, 2020 by Jim Mueller, CFA

How to Invest in Options

When done right, options can be a source of slow-and-steady returns.

Aug 30, 2019 by Jim Mueller, CFA

SolarCity Looks Like a Huge Mistake for Tesla

Even putting aside the fires at Walmart, SolarCity could be a ticking bomb for Tesla’s future.

Sep 28, 2018 by Jim Mueller, CFA

What Investors Should Know About the U.S./China Trade War

What led to this standoff, which companies are most affected, how to invest in this market, and much more.

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Apr 7, 2017 by Jim Mueller, CFA

Netflix's Latest Decision Is Not a Good One

Netflix's decision to delay release of its Q1 2017 quarterly video interview hurts both investors and analysts, and raises the possibility of violating Reg FD.

Feb 2, 2016 by Jim Mueller, CFA

Stocks Are Down; You Don't Have to Be

The market is providing investors with lots of "teachable moments."

Apr 22, 2015 by Jim Mueller, CFA

Goodbye to the Messed-Up Expectations Portfolio

After 4.5 years, my job has grown to the point where I cannot fairly run this portfolio.

Mar 27, 2015 by Jim Mueller, CFA

Don't Worry About the Next Drop -- Plan for It

Four simple steps you can take to prepare for the next stock market drop.

Mar 23, 2015 by Jim Mueller, CFA

GameStop: The Company That Refuses to Die

Growing loyal customers and expanding on its hard-won expertise as a retailer of used electronics, GameStop just hasn't played by Wall Street's book.

Mar 19, 2015 by Jim Mueller, CFA

Barnes & Noble Is More Profitable Than It Looks on the Surface

With the upcoming spinoff of the college division, and a move toward improving the Nook, investors could be overlooking a sweet deal.

Feb 11, 2015 by Jim Mueller, CFA

Core Laboratories NV Is My Oil Price Play

Trying to take advantage of any recovery in the price of oil, I'm choosing a stronger company than where I was invested before.

Feb 4, 2015 by Jim Mueller, CFA

After Too Long, I'm Selling Transocean

It can take a while for some lessons to sink in, but this is one I've learned: Investment thesis drift can be hazardous to your wealth.

Nov 26, 2014 by Jim Mueller, CFA

I'm Thankful for Lower Share Prices

Taking advantage of some market movement to add shares of three companies to my portfolio.

Sep 16, 2014 by Jim Mueller, CFA

5 Years From Now, You'll Wish You Had Bought Mobileye Today

Shares might seem expensive, but I believe today's price will look like a bargain a few years down the road.

Sep 9, 2014 by Jim Mueller, CFA

Even at This Price, Netflix Is a Buy

Don't get anchored to the high price. The investing thesis and growth story are strong.

Sep 4, 2014 by Jim Mueller, CFA

3 Reasons to Buy Trinity Industries

After a successful investment in Western Refining, the Messed-Up Expectations portfolio is putting some of that cash to work in Trinity Industries, tying the decision to increased crude-by-rail transport and safety.

Jul 21, 2014 by Jim Mueller, CFA

Why I'm Selling Western Refining Today

After three years of ownership and a double, the investing thesis has played out. Time to sell and move on.

Jul 4, 2014 by Jim Mueller, CFA

A Deep Dive Into 3D Systems, Part 13: Should Investors Buy Into the Hype?

12 articles later, 3D Systems faces one analyst's judgement...

Jul 1, 2014 by Jim Mueller, CFA

A Deep Dive Into 3D Systems, Part 12: Is This 3-D Printing Bear Right the Second Time Around?

A look into Citron's latest negative report on 3D printing.

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