Virtual Land, Real Money

Second Life is an online world where a savvy avatar can make a bundle. Its best known "land" developer explains how

Tiger 21: A Capital Crowd

A kind of high-end investment club, Tiger 21 gives its multimillionaire members a chance to share deals, financial advice, and a few life lessons

How to Invest in Nanotech

IBM, Intel, and GE are taking this emerging technology seriously. An exchange traded fund means wary investors can get serious, too

Hedging on Home Prices

Creating a liquid market could make housing prices more efficient, says Yale economist Robert J. Shiller

The Currency Game: Home Version

Foreign exchange for retail investors? New online trading sites make it affordable

Metals Are Burning Up the Market

Suppliers are dealing with strikes and outages. But as demand soars, investors are seeing gold, silver, and other commodities hit their highest prices in years

Dr. Andrew Lo: Darwinian Investing

The MIT finance professor's market theory borrows from neuroscience, evolution, and econometrics

Frontiers of Investing

ETFs: Sliced, Diced, and Razor-Thin

These exchange-traded funds are super-specialized and promise new opportunities. But are they right for you?

A "Neural" Approach to the Market

This S&P portfolio uses a computer model that "learns" from its mistakes -- and has handily beaten its benchmark index

The Tantalizing Tech Sector

These companies are looking to commercialize exciting technology. But remember -- the risks of investing in such startups are high

Slide Show: Five Who Dared

Learn about companies who took the plunge, investing in cutting-edge technology that may or may not pay off

The Currency Market's Hidden Currents

The big players' moves provide invaluable intelligence. Trouble is, the data can be hard to access, explains economist Richard Lyons

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