Answer: Right answer is Federal Open Market Comitttee (FOMC).
Accordingly to the competencies delegated from Congress instructions, the FOMC main service is to promote employability, controlling supply-demand undesirable interfering forces to stabilize prices and regulating the long-term interest rates as a mean of keeping investors - national and international - and attracting new ones to the capital market, altogether with modulating international sensation of trust on american market to make it attractive.