Question: Which company merged with Wells Fargo, Canaccord Genuity or Wachovia Securities?
Context: The Wells Fargo Tower is a 34-story, 454 foot (138 meter) tall office building located in Birmingham, Alabama.  Built in 1986 as the corporate headquarters for SouthTrust Corporation, the building was originally known as the SouthTrust Tower until 2005 when SouthTrust completed its merger with Wachovia and was known as the Wachovia Tower.  It became the Wells Fargo Tower in September 2010 when Wells Fargo completed its purchase of Wachovia and a new logo was placed atop the building. The Wells Fargo Tower, formerly known as the First Union Signet Tower, Wachovia Tower, and Union Trust Building, is a commercial high-rise in Baltimore, Maryland.  The building rises 24 floors above street level and is 330 ft in height; it is tied with Charles Center South as the 17th-tallest building in the city.  The structure was completed in 1985.  The Wells Fargo Tower was developed by the Dallas-based Trammell Crow Company, and is currently owned by the Wells Fargo and Company.  The structure is an example of modern architecture, and has a glass, steel and concrete façade.  The Wachovia Tower rises from the site formerly occupied by the Calvert Building and 7-9 Saint Paul Street.  The building, formerly housing offices for Wachovia, is now home to the regional office of Wells Fargo and Company. Wachovia (former NYSE ticker symbol WB) was a diversified financial services company based in Charlotte.  Before its acquisition by Wells Fargo in 2008, Wachovia was the fourth-largest bank holding company in the United States based on total assets.  Wachovia provided a broad range of banking, asset management, wealth management, and corporate and investment banking products and services.  At its height, it was one of the largest providers of financial services in the United States, operating financial centers in 21 states and Washington, D.C., with locations from Connecticut to Florida and west to California.  Wachovia provided global services through more than 40 offices around the world.  The purchase of Wachovia by Wells Fargo and Company was completed on December 31, 2008.  Wells Fargo acquired Wachovia after a government-forced sale to avoid a failure of Wachovia. Wachovia Securities was the trade name of Wachovia's retail brokerage and institutional capital markets and investment banking subsidiaries.  Following Wachovia's merger with Wells Fargo and Company on December 31, 2008, the retail brokerage became Wells Fargo Advisors on May 1, 2009 and the institutional capital markets and investment banking group became Wells Fargo Securities on July 6, 2009. A.G. Edwards, Inc. was an American financial services holding company; its principal wholly owned subsidiary was A.G. Edwards & Sons, Inc., which operated as a full-service securities broker-dealer in the United States and Europe.  Firm was acquired by Wachovia Securities, which later was acquired by Wells Fargo Advisors.  The firm provided securities and commodities brokerage, investment banking, trust services, asset management, financial and retirement planning, private client services, investment management, and other related financial services to individual, governmental, and institutional clients. Canaccord Genuity Group Inc. is a global, full-service investment banking and financial services company that specializes in wealth management and brokerage in capital markets.  It is the largest independent investment dealer in Canada.  The firm focuses on growth companies, with operations in 10 countries worldwide and the ability to list companies on 10 stock exchanges.  Canaccord Genuity, the international capital markets division, is based in Canada, with offices in the US, the UK, France, Germany, Ireland, Hong Kong, China, Singapore, Australia and Barbados. Wells Fargo & Company is an American international banking and financial services holding company headquartered in San Francisco, California, with "hubquarters" throughout the country.  It is the world's second-largest bank by market capitalization and the third largest bank in the U.S. by assets.  In July 2015, Wells Fargo became the world's largest bank by market capitalization, edging past ICBC, before slipping behind JP Morgan Chase in September 2016, in the wake of a scandal involving the creation of over 2 million fake bank accounts by Wells Fargo employees.  Wells Fargo surpassed Citigroup Inc. to become the third-largest U.S. bank by assets at the end of 2015.  Wells Fargo is the second-largest bank in deposits, home mortgage servicing, and debit cards.  The firm's primary U.S. operating subsidiary is national bank Wells Fargo Bank, N.A., which designates its main office as Sioux Falls, South Dakota. The Wells Fargo Building,formerly known as the Wells Fargo Bank Center, is a commercial and financial skyscraper in Augusta, Georgia, in the United States.  After its completion, the building was the tallest building in Augusta from 1967 to 1976, when the Lamar Building surpassed it due to the completion of the penthouse.  Today, it is the third tallest building in the city.  The building's exterior surface is made completely in aluminum steel glass.  At the time of its completion, the building was named the Georgia Railroad Bank & Trust.  In 1989, the building's name was changed to the Wachovia Bank Center, making it the official headquarters of Wachovia in the eastern part of Georgia and the Central Savannah River Area.  In 2008, the building's name was changed again to the Wells Fargo Building.  It is now the official headquarters of Wells Fargo in the Augusta region. The List of Wells Fargo presidents includes those persons who have served as President of Wells Fargo since 1852.  It includes the presidents of the express mail company from 1852 to 1918 and of the Wells Fargo Bank, which was separated from the express company in 1905 and merged with the Nevada National Bank to form the Wells Fargo Nevada National Bank - the lineal ancestor of the present Wells Fargo Bank. Wells Fargo Center, formerly the Wachovia Center, is a 311 ft high rise in Tampa, Florida, U.S.A., anchored by Wells Fargo & Company, Phelps Dunbar and UBS.  It was completed in 1985 and has 22 floors.  Under new ownership in 2013, the building is undergoing a renovation of the fitness center, parking garage and common areas including the restrooms and corridors.  The building received Gold LEED certification in 2010.  It was originally known as First Union Plaza until First Union Corporation completed its merger into Wachovia in 1993, then that merged into Wells Fargo in 2008.  It is the 13th tallest building in Tampa.
Answer: Wachovia Securities