If the returns of two stocks have a correlation of 1, what does this imply about the

Question:

If the returns of two have a correlation of 1, what does this imply about the relative movements in the stock prices?

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...