| Business

John Dorfman is chairman of Thunderstorm Capital in Boston and a syndicated columnist. His firm or clients may own or trade securities discussed in this column. John Dorfman can be reached via e-mail or at 617-542-8888

Dorfman: Apple, Gilead and Hibbett display growth, value

By John Dorfman
In the stock market, growth managers and value managers often see themselves as warring camps. Value managers look for cheap stocks. Growth managers look for rapidly rising earnings. Yet many of the best picks made by managers in either ...

Dorfman: 7 little-known stocks with rapid revenue growth

By John Dorfman
Most investors like rapid growth. But those of us who have been around the block a few times don’t want to pay too much for it. Last weekend, using screening software from TD Ameritrade Institutional and some other tools, I ...

Tech Data, Valero stand out on this ratio

By John Dorfman
There are dozens of ways a company can manipulate reported earnings, many of them legal. However, there are relatively few ways a company can manipulate its sales, also known as revenue. That’s one reason why in evaluating a stock, ...

Dorfman: Perfect 10 Portfolio has just enough sizzle

By John Dorfman
The movie “10” was considered quite racy when it came out in 1979. In it, Bo Derek starred as a “Perfect 10.” My Perfect 10 Portfolio may not sizzle like Ms. Derek, but it has provided some excitement and ...

Dorfman: Dillard’s, Micron make Casualty List

By John Dorfman
The choppy second quarter roughed up a fair number of stocks. Among the wounded are four that I think have excellent potential to recover and make strong gains. Welcome to my 49th Casualty List, the latest in a series ...

Dorfman: Here’s 5 more intriguing stocks that are less than $10

By John Dorfman
Many investors are partial to stocks selling less than $10. Any finance professor will tell you that the absolute price of a stock doesn’t matter, because it’s an artifact of how many shares a company chooses to issue. Yet ...

Dorfman: Companies with high profit, low debt worth a look

By John Dorfman
Let’s turn the dial up a notch. High profitability and low debt are qualities I often look for in stocks. Today I will highlight a few companies that take these desirable traits to an extreme. These companies earned a ...

Columnist Dorfman divulges stock holdings, makes no promises on returns

By John Dorfman
I recommend about 200 stocks a year in this column, but typically own only about 25 for clients. From time to time, readers ask me which stocks I actually own. Here are 25 that I own for most clients. ...

Dorfman: Oil execs snap up shares, but wait a bit to follow suit

By John Dorfman
Chief executives at some major energy companies are buying their own stock. Lee Tillman of Marathon Oil Corp. (MRO) and John Hess of Hess Corp. (HES) recently snapped up $748,566 and $3,997,800 respectively of their own shares. Does this ...

Dorfman: Trio of stocks still looks like good buys

By John Dorfman
Many people get antsy when a stock has doubled from the purchase price. That’s understandable, but a stock that has doubled shouldn’t be automatically be sold, or even trimmed. The decision should depend on three things: • Your evaluation ...

Dorfman: Here are 5 stocks I would sell right away, starting with Kellogg

By John Dorfman
Selling is harder than buying. That’s what many professional investors, including myself, feel. When you buy something, your thought process is fairly straightforward. A stock looks attractive based on thoughtful analysis (or maybe heedless intuition), and you buy it. Selling ...

Click here for John Dorfman archive stories.