Granville a respected analyst lists eight basic rules for interpreting the 200 day moving average charts. 1. If the 200 day average line flattens out or advances following a decline, and the price of the stock penetrates that average line on the upside, this constitutes a major buying signal. 2. If the price of the stock falls below the average line while the average line is still rising, this also is a buy signal. 3. If the stock price is above the 200 day line and declines towards it, but fails to go through and instead it turns up again, this...