NEW YORK (MarketWatch) — Medical Technology Stock Letter continues to Matterhorn. What does that say about the market?

The long established letter — editor John McCamant is the son of the founding editor, Jim — has had such a wild career that I used to describe a chart of its performance as a series of Matterhorns soaring and sinking behind the overall market’s gentle upward (well, generally speaking upward) undulations. See “Is medical technology letter about to Matterhorn?”

What is happening, of course, is that Medical Technology Letter specializes in a really hairy area, which also goes hot and cold in the most disconcerting way.  …read more