Jeffrey Vinik's career as an investment guru has had more twists and turns than San Francisco's famed Lombard Street.

You may have heard of Vinik. According to a recent article in Forbes, he is a Harvard MBA who had a stellar record running Fidelity's Magellan fund when he...

I have long railed against the insidious system known as mandatory arbitration which is foisted upon investors who deal with brokers. I testified about the unfairness of this system before a congressional sub-committee. I co-authored a study showing the dismal results for investors when they attempted...

Dear Ms. Marcks,

I thought it was very brave of you to participate in the exceptional Frontline report, "The Retirement Gamble." It has long been my view that investors should limit their investments (in both their personal and retirement accounts) to a globally diversified portfolio of low management...

Alyce Laviolette is a well-known advocate for victims of domestic violence. She recently gained national prominence as an expert who testified that Jodi Arias was a victim of domestic violence. For those of you who are not familiar with Jodi Arias, she is on trial for the brutal killing of...

Jim Cramer recently addressed the Society of American Business Editors and Writers at its 50th Anniversary conference. In his remarks to this prestigious group, he modestly stated that he was "proud to be amongst the best of the best of our profession." He then noted how the Internet...

It's ironic that we designate April as "financial literacy month." I am reminded of Morgan Freeman's sage comments about "Black History Month": "You're going to relegate my history to a month? I don't want a black history month. Black history is American history."

I agree. I don't want...

In his "Wealth Matters" column in The New York Times, Paul Sullivan discusses the investing problems confronting doctors and lawyers. According to advisers interviewed by Sullivan, these professionals mistakenly believe investing is "pure science." Not true, say the advisers: "It's an art form." In a follow-up...

The California Public Employees Retirement System (CalPERS) is the largest pension plan in the U.S., with assets in excess of $256 billion. It was an early adopter of index investing. More than half its assets are indexed.

In a stunning announcement, CalPERS said it is considering...

Ron Paul recently addressed a group of 200 financial advisors in Orlando, Fla. He noted that his own investments were concentrated in gold and property. He disparaged "buy and hold investing," stating: "If you had bought the Nasdaq in 1999, you'd be down 40 percent."

Mr. Paul's investment...

I received a call recently from a young entrepreneur. He has saved some money (around $50,000) and wanted to start investing. I asked him some questions and learned that he had three young children. His wife stayed at home to look after them. I asked him what would happen to...

I have a proposal for corporate America: Every company should have a Chief Wealth Officer (CWO). The function of the CWO would be to act as a resource for employees, with the goal of increasing their wealth. The position would be salaried for companies large enough to warrant the expense...

Dear Rachel,

I see from your Feb. 15, 2013 appearance on Breakout, with Jeff Macke, that you are an accomplished actress who has been trying your hand at day trading. You also have a website where you help "teach people about investing."

I admire your achievements...

If you are in the money management business (as a broker or registered investment adviser), your goal is to increase the amount of assets you have under management. One of the ways to accomplish that goal is through advertising. Advertising can be helpful to investors if it provides accurate and...

There is potential danger lurking within all of us that could destroy everything we own. It could decimate our savings and deprive our heirs of their inheritance.

According to the Alzheimer's Association, 5.4 million Americans are living with Alzheimer's disease. It affects one in eight older Americans....

A blog by David Randall at Reuters lauded the stock-picking skills of fund managers who dumped shares of Apple before its shares began their plunge. Randall observed that 321 funds had more than 5 percent of their assets in Apple shares at the beginning of 2012. He noted...

2012 was a terrible year, if you consider major political and economic events.

In March 2012, oil hit $125 a barrel, sending gas prices to new highs and having a dramatic impact on the anemic economic recovery in the U.S. Europe experienced unprecedented economic woes, with the very...

The most common question I get from readers of my books is: "I want to implement your index portfolios, but I have to consider the uncertainty in the financial world. When is the best time to invest?"

My answer is it is always the right time to invest in a...

Jim Cramer is at it again. He has peered into his crystal ball (which is apparently never cloudy) and he sees China in your future. He is quoted as saying "I'd go with China in 2013." Cramer wants you to act promptly on his recommendation before the news...

If you want to make a New Year's resolution that will put money in your pocket, here's my suggestion: Don't rely on the advice of Jim Cramer or his colleagues in the securities industry who tell you they have the ability to pick stock winners.

In his excellent book, Think,...

In my blog last week, I urged CNBC to cancel Jim Cramer's Mad Money show. It remains my view that this show is filled with misinformation that harms investors by perpetuating the myth that some guru has the ability to pick stock "winners" that will outperform the market....