Certificates of deposits (CD) are a popular investment tool for many individuals. There are many reasons why CD popularity has risen so rapidly these past few years. Of course the sole reason is still the fact that CD yields higher interest rate than the Bank Interest Rates, but you should also know that CD is protected by government. It means that the amount of principal you invest in CD will never be at loss. Highest CD Rates become attractive to investors as their principal are guaranteed. Even when you have been offered the Best CD Rates, you still need to see the terms and conditions as well as the disclosure statements.