The unstable state of the market has been the ground on which Soros has tested his theory of contrarianism, arguing that financial markets are volatile and disorderly.
There is a popular saying in the stock market: "It's not how much you make in the stock market, but how long you live", and it is this saying that makes me have palpitations about long term investment.
Richard Schabaker (1902-1938) -- the father of capital market technical analysis!
He was the first to classify the forms of general charts, research and create the famous "reversion and persistence" theory, "split" theory and "support and resistance" theory, and stereotype the use of trend lines and fully emphasize the importance of support and resistance levels. (The predecessor of the "box" theory)
