Terry Keenan, a veteran business journalist who worked at CNN, CNBC and Fox News during nearly a nearly quarter-century TV career, died Thursday in New York of a cerebral hemorrhage. She was 54. For the past five years, Keenan had written a weekly business column for The New York Post; her final column was posted just days ago, on October 19.

She learned the ropes in the 1980s working on Louis Rukeyser’s PBS series Wall Street Week and then on Lou Dobbs’ Moneyline at CNN. She worked at the latter network for nine years starting in 1986, becoming an on-air reporter andCashinin eventually hosting Moneyline Weekend Edition With Terry Keenan. While at CNN, she was the first journalist to report live from the New York Stock Exchange as the market crashed on Black Monday in October 1987.

Keenan also worked as a reporter and anchor at CNBC from 1995-98. From there she moved behind the desk for Street Sweep, a daily afternoon show on the now-shuttered CNNfn. She then joined Fox in 2002, serving as an anchor and senior business correspondent for Fox News Channel and Fox Business Network. She hosted Cashin’ In on FBN for the show’s first seven years before exiting Fox for the Post job in 2009.