Earlier quoted context omitted.
Based on what you've written, it doesn't appear that you've measured the performance of whatever method you're using against an appropriately risk-adjusted benchmark. For example, beating the S&P 500 over a certain time period is okay but if you're doing it with a bunch of small- or mid-cap tech stocks, it's quite possible you're not being compensated adequately for the risk you're taking. For instance, if you're inv…
I only invest in large caps, ones everyone knows, based on two criteria: 1) They are are fairly or somewhat undervalued given the conventional market view and metrics. 2) They are likely to be significant beneficiaries of large-scale technological trends that the market is oblivious to and has not priced into the stock. Then I wait a few years for the trend to become more obvious and for the market to adjust the stoc…
Forgive me if I don't believe this in the least.