The Coming BioTech Bubble

In last Friday’s letter, I said that I had not bought any single stocks in the last decade, preferring funds and managers, and in general I still do. However, I am now going to start buying a specific asset class this month and currently plan to add to those holdings at least every quarter for several years. This is the high risk portion of my portfolio, so it will not be all that large a percentage. (Do not write and ask me what the right percentage is. It will be different for everybody. For some of you the answer will…