Shifting Tech Tonics: How to Play Technology Sector Rotation

In the early 1990s there was a Broadway review called Without You I'm Nothing. Can't remember what it was about, but the title pretty much sums up how I'm feeling as I finish yet another reader-inspired column.

Not that I've stopped generating ideas. It's just that readers are coming up with better ones. For example, a money manager who prefers to remain anonymous points out that sector rotation doesn't have to mean shifting from biotech or photonics to (yawn) grocery stores or insurance companies. It's possible, and potentially more lucrative, to rotate among growth stock categories.

"In technology, yesterday's hero is tomorrow's zero, and vice versa," he writes. No argument here: In the past few years, hot money has launched and then crashed (and sometimes launched again) B2C, B2B, ISPs, back-office software, semiconductors and biotech. ...