Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.

Amazon's second Prime-member exclusive event, Prime Big Deal Days, runs from October 7 to 8 this year. Similar to the official Prime Day in the summer, this sale offers exclusive discounts on millions ...