Don’t Fight City Hall
Sometimes, the quality of an asset isn’t enough. In the energy markets, geography is destiny – and in 2025, we learned that even a billion barrels of oil can’t always beat a hostile local government.
Porter & Co.
Never Sell A Great Business
Today, we take some lessons from two mistakes we made in our Complete Investor publication – either selling a great business too soon, or not buying it soon enough.
Managing Risk, Earning Fortunes
Most people think of biotech as speculative – a domain of lottery tickets and roulette-type wagers on FDA decisions. But real success here is different than that. The work lies in telling the difference between potential winners and a roll of the dice. Tech Investor editor Erez Kalir explains.
Porter’s 3X Screen Beats The Market
This giant, household name of a company was trading at a rare discount to its intrinsic value. Despite generating extraordinary levels of free cash flow, maintaining global search dominance, and aggressively buying back stock, the market had mispriced it. We did not. Shares soared 81% since then!
The Glamorous World Of Ethanol
Kicking off Porter & Co.’s 12 Days Of Christmas series, Distressed Investing senior analyst Marty Fridson shares a big win on both the distressed bonds and distressed equities of a midwest ethanol producer, following Marty’s “topping off” strategy.
What’s Ahead For 2026
Complete Investor is the culmination of everything Porter has done and learned in his nearly three decades as a financial publisher. There is so much in store in 2026 – to make you a better investor, to make you a complete investor, and to make you a much wealthier investor.
December 2025
Go inside the Complete Investor Roundtable as Porter and the full editorial team decide what belongs in the portfolio… and what doesn’t. In the editorial discussion, you’ll see how our analysts challenge each other’s assumptions, stress-test ideas, and debate what deserves a coveted spot in our Best Buys. In this new Roundtable feature – filmed
Finishing Up Our Grading For 2025
Today, Porter completes the report-card grading of the Porter & Co. financial publications with the final three of our remaining advisories – Porter & Co.’s Asymmetry, The Trading Club, and Porter’s Permanent Portfolio.