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Most effective Fundamental Analysis indicators for market entry
Unfortunately, there is very little data supporting fundamental analysis or technical analysis as appropriate tools to "time" the market. I will be so bold to say that technical analysis is meaningless. On the other hand, fundamental analysis has some merits. For example, the realization that CDOs were filled with toxic mortgages can be considered a product of fundamental analysis and hence provided traders with a directional assumption to buy CDSs. However, there is no way to tell when there is a good or bad time to buy or sell. The market behaves like a random 50/50 motion. There are many reasons for this and interestingly, there are many fundamentally sound companies that take large dips for no reason at all. Depending on your goal, you can either believe that this volatility will smooth over long periods and that the market has generally positive drift. On the other hand, I feel that the appropriate approach is to remain active. You will be able to mitigate the large downswings by simply staying small and diversifying  - not in the sense of traditional finance but rather looking for uncorrelated products. Remember, volatility brings higher levels of correlation. My second suggestion is to look towards products like options to provide a method of shaping your P/L - giving up upside by selling calls against a long equity position is a great example. Ground your trades with fundamental beliefs if need be, but use your tools and knowledge to combat risks that may create long periods of drawdown.