> From the time that I mailed my letters, the compound annual return of the respondent group is 8.97% greater than the non-respondent companies. Sounds like a

> From the time that I mailed my letters, the compound annual return of the respondent group is 8.97% greater than the non-respondent companies. Sounds like a decent investment strategy. Fire handwritten letters at the S&P500, go long if you get a response and short if not. Weight portfolio by length, timing and sentiment of response.