the firm. It was this bankruptcy that resulted in credit ratings for every issuer of commercial paper today by several credit rating services. Under the direction of Senior Partner Stanley R. Miller, the firm opened its first international office in London in 1970 and created a Private Wealth Management division along with a fixed income division in 1972. It pioneered the "white knight" strategy in 1974 during its attempts to defend Electric Storage Battery against a hostile takeover bid from International Nickel and Goldman's rival, Morgan Stanley. John L. Weinberg (the son of Sidney Weinberg), and John C. Whitehead assumed roles of co-senior partners in 1976, once again emphasizing the co-leadership at the firm. One of their initiatives was the establishment of 14 business principles that the firm still claims to apply. Late 20th century On November 16, 1981, the firm acquired J. Aron & Company, a commodities trading firm which merged with the Fixed Income division to become known as Fixed Income, Currencies, and Commodities. J. Aron was involved in the coffee and gold markets, and the former CEO of Goldman, Lloyd Blankfein, joined the firm as a result of this merger. In 1983, the firm moved into a newly constructed global headquarters at 85 Broad Street and occupied that building until it moved to its current headquarters in 2009. In 1985, it underwrote the public offering of the real estate investment trust that owned Rockefeller Center, then the largest REIT offering in history. In accordance with the beginning of the dissolution of the Soviet Union, the firm also became involved in facilitating the global privatization movement by advising companies that were spinning off from their parent governments. In 1986, the firm formed Goldman Sachs Asset Management, which manages the majority of its mutual funds and hedge funds. In the same year, the firm also underwrote the IPO of Microsoft, advised General Electric on its acquisition of RCA, joined the London and Tokyo stock exchanges, and became the first United States bank to rank in the top 10 of mergers and acquisitions in the United Kingdom. During the 1980s, the firm became the first bank to distribute its investment research electronically and created the first public offering of original issue deep-discount bond. Robert Rubin and Stephen Friedman assumed the co-senior partnership in 1990 and pledged to focus on globalization of the firm to strengthen the merger & acquisition and