If an investor can determine when the bottoming out of the economy will occur, when should stocks

Question:

If an investor can determine when the bottoming out of the economy will occur, when should be purchased—before, during, or after such a bottom? Would stock prices be expected to continue to rise as the economy recovers (based on historical experience)?
Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...