Certificates of Deposit
Investors who are searching for relatively low-risk investments that can be easily converted into cash often invest in certificates of deposits (CDs). CDs typically pay higher interest than regular savings accounts.
Although investors have traditionally purchased CDs through banks and thrift
institutions, brokerage firms also offer CDs. Like other investments, CDs have become more complicated.
To understand how CDs work and what you need to know before you consider purchasing a CD, read our publication, Certificates of Deposit: Tips for Investors. If you've experienced a problem with a CD you purchased through a broker, follow these steps to file a complaint.
http://www.sec.gov/answers/cds.htm