The correlation between stocks A and B is 0.50, while the correlation between stocks A and C

Question:

The correlation between A and B is 0.50, while the correlation between A and C is 0.5. You already own stock A and are thinking of buying either stock B or stock C. If you want your to have the lowest possible risk, would you buy stock B or C? Would you expect the stock you choose to affect the return that you earn on your 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... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...