1. Which of the following statements are correct?

1. Correlation coefficients can range from +1.00 to 1.00.
2. A correlation of +1.00 means that the rates of return for these two investments move exactly together.
3. Combining investments that move together in a portfolio would not help diversify the portfolio because they have identical rate-of-return patterns over time.
4. a correlation coefficient of 1.00 means that the rates of return for two investments move exactly opposite to each other.

All of the above are correct