Western Alliance Bank ranks number one among top-performing banks with assets greater than $50 billion and ranks high among other commercial banks. This bank is FDIC-insured and strives for great customer service. There are no extra fees and you’ll have 24/7 online access. There’s a $1 minimum deposit with a high yield of 5.70% APR. This means for every $100 you deposit, you’ll earn $5.70 in annual earnings with the 6-month CD, or $5.51 with the 12-month CD.