Question: Christine Harper covered what company that is headquartered at 1585 Broadway?

full_context: Document 1: Morgan Stanley Building: The Morgan Stanley Building at 1585 Broadway is the headquarters of Morgan Stanley, on the west side of Broadway, north of Duffy Square in the Times Square neighborhood of midtown Manhattan, New York City.
Document 2: Morgan Stanley: Morgan Stanley (NYSE: [ MS] ) is a leading global financial services firm providing investment banking, securities, wealth management and investment management services. It is headquartered at 1585 Broadway in the Morgan Stanley Building, Midtown Manhattan, New York City. With offices in more than 42 countries and more than 55,000 employees, the firm's clients include corporations, governments, institutions and individuals.
Document 3: Chris Jansing: Christine Ann "Chris" Kapostasy-Jansing (born January 30, 1957) is an American television news correspondent. She currently works for NBC News as senior national correspondent for the network's cable division, MSNBC and, alongside Brian Williams, as a breaking news anchor for the channel. Jansing was NBC News senior white house correspondent from 2014 to January 20, 2017. From 2010 to 2014, she hosted an MSNBC show called "Jansing and Company".
Document 4: Bob Pisani: Robert Pisani has been a news correspondent for financial news network CNBC since 1990. Pisani largely covered the real estate industry and corporate management until 1997. Since then he has reported live from the floor of the New York Stock Exchange, surrounded by the flurry of floor traders doing business. He mainly focuses on activity in major stock market indices, such as the Dow Jones Industrial Average and the S&P 500.
Document 5: Nicole Lapin: Nicole Lapin (born March 7, 1984) is an American television news anchor, author and businesswoman. She is known for being an American news anchor on CNBC and CNN Live, who regularly appeared on CNN Headline News, CNN, and CNN International from 2005-2009. In January 2010, Lapin joined CNBC in New York as an anchor for "Worldwide Exchange", joining CNBC Europe's Ross Westgate in London and CNBC Asia's Christine Tan in Singapore. In June 2010, she added the role co-anchoring The Kudlow Report from 7-8pm EST to her CNBC duties. Lapin also served as a business and finance correspondent for Morning Joe on MSNBC and The Today Show on NBC. In September 2012, it was announced that Lapin joined Bloomberg Television as a non-exclusive anchor and special correspondent.
Document 6: Mizuho Bank: Mizuho Bank, Ltd. (株式会社みずほ銀行 , Kabushiki-gaisha Mizuho Ginkō ) is the integrated retail and corporate banking unit of Mizuho Financial Group (TYO:8411; NYSE:MFG), one of the largest financial services companies in Japan, with total assets of approximately $1.64 trillion in 2014. Mizuho is one of the three so-called Japanese "megabanks" (along with Mitsubishi UFJ Financial Group and Sumitomo Mitsui Financial Group). Mizuho Bank provides financial products and services to a wide range of clients, including individuals, small and medium-sized enterprises, large corporations, financial institutions and public sector entities. Its headquarters office building is located in the Otemachi district of Chiyoda, Tokyo.
Document 7: Florence MacLeod Harper: Florence MacLeod Harper was a Canadian journalist sent by U.S. newspaper "Frank Leslie's Illustrated Newspaper" as a staff reporter with an assignment to cover World War I on the Eastern front. She was an early female war correspondent and one of a handful of western journalists to leave a first-hand journalistic account of the early stages of the Russian revolution.
Document 8: Morgan Stanley: Morgan Stanley (NYSE: [ MS] ) is a leading global financial services firm providing investment banking, securities, wealth management and investment management services. It is headquartered at 1585 Broadway in the Morgan Stanley Building, Midtown Manhattan, New York City. With offices in more than 42 countries and more than 55,000 employees, the firm's clients include corporations, governments, institutions and individuals.
Document 9: Bloomberg Businessweek: Bloomberg Businessweek is an American weekly business magazine published by Bloomberg L.P. "Businessweek" was founded in 1929, the magazine was created to provide information and interpretation about what was happening in the business world. It is headquartered in New York City. Megan Murphy was appointed editor of the magazine in November 2016.
Document 10: Jefferies Group: Jefferies LLC is an American global investment bank and institutional securities firm headquartered in New York. The firm provides clients with capital markets and financial advisory services, institutional brokerage, securities research, and asset management. This includes mergers and acquisitions, restructuring, and other financial advisory services.
Document 11: Zachary Mider: Zachary R. Mider has been a reporter for Bloomberg News since 2006. He writes features for the news service, for Bloomberg Businessweek, and for Bloomberg Markets magazines. He also worked for The Providence Journal in Rhode Island. In 2015 he was awarded the Pulitzer prize for Explanatory Reporting "for a painstaking, clear and entertaining explanation of how so many U.S. corporations dodge taxes and why lawmakers and regulators have a hard time stopping them."
Document 12: JPMorgan Chase: JPMorgan Chase & Co. is a U.S. multinational banking and financial services holding company headquartered in New York City. It is the largest bank in the United States, the world's sixth largest bank by total assets, with total assets of US$2.5 trillion, and the world's second most valuable bank by market capitalization, after ICBC. It is a major provider of financial services, and according to "Forbes" magazine is the world's sixth largest public company based upon a composite ranking. The hedge fund unit of JPMorgan Chase is the second largest hedge fund in the United States. The company was formed in 2000, when Chase Manhattan Corporation merged with J.P. Morgan & Co.
Document 13: Christine Harper: Christine Harper is an award-winning journalist who works as the chief financial correspondent for Bloomberg News. She has worked for the company since 1998 when she joined the London office. She has reported on Wall Street from New York since April 2006, and is noted for her coverage of Goldman Sachs and Morgan Stanley.
Document 14: Morgan Stanley Wealth Management: Morgan Stanley Wealth Management is an American multinational financial services corporation specializing in retail brokerage. It is the wealth & asset management division of Morgan Stanley.
Document 15: Cam Simpson: Cam Simpson is a London-based writer and journalist. He is currently the senior international correspondent for "Bloomberg Businessweek" in London, and "Bloomberg News". Previously, he worked for the "Wall Street Journal", with posts in the Middle East and Washington. and as a foreign correspondent for the "Chicago Tribune" where he was responsible for covering US foreign policy and investigative projects in Washington and overseas.
ground_truth: Morgan Stanley