Millionaire Corner is published by Spectrem Group, the premier research and consulting firm in the wealth and retirement industry. Chicago-based Spectrem Group has been studying investors for the past 20 years. Each year, interviews and surveys are conducted in 25,000 to 30,000 households to discern their financial needs and preferences. These findings are distributed in a series of publications to the financial services industries. The Spectrem Millionaire Investor Confidence Index (SMICI) ? and the Spectrem Affluent Investor Confidence Index (SAICI) ® are published monthly and are used by the media and the financial community as barometers to measure the economic health of the nation.