Quote from dougcs:
I've seen the same question asked about why fundamental analysis "works". The key, IMO, to this question is: How do you find the "true" value a stock?
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The key question to ask in TA and fundamental analysis is "what is everyone looking at ?" By the way these are not always the measures that people pitch publically as being important.
There are many measures in both worlds that are largely ignored and which wax and wane in their popularity. IMHO the measures currently in vogue are the ones that move the market and the ones you need to watch ......

