Informa Research Services Inc., a Calabasas market research company, has acquired Moorthy, Riggs and Associates Inc., a San Francisco-based research company. Terms of the deal were not disclosed. The acquisition will provide Informa with an extensive catalog of information for the country’s major banks. It will also allow Moorthy and Riggs’ clients access to data in real time using Informa’s online capabilities. This is Informa’s third acquisition in as many years. The company acquired Market Trends Inc. in 2004 and Barry Leeds & Asscoiates Inc. in 2003.