![Employees of the New York Stock Exchange ring the closing bell in celebration of Black History Month at the NYSE on Wall Street In New York City on February 28, 2012. The Employees of the New York Stock Exchange ring the closing bell in celebration of Black History Month at the NYSE on Wall Street In New York City on February 28, 2012. The](https://c8.alamy.com/comp/TYMW94/employees-of-the-new-york-stock-exchange-ring-the-closing-bell-in-celebration-of-black-history-month-at-the-nyse-on-wall-street-in-new-york-city-on-february-28-2012-the-dow-closes-above-13000-for-the-first-time-since-may-of-2008-upijohn-angelillo-TYMW94.jpg)
Employees of the New York Stock Exchange ring the closing bell in celebration of Black History Month at the NYSE on Wall Street In New York City on February 28, 2012. The
Watch Live as Wall Street Bound rings The Closing Bell � | Watch Live as Wall Street Bound rings The Closing Bell � | By New York Stock Exchange | Facebook
![CEO of Pfizer Pharmaceutical company Albert Bourla and Pfizer ring the closing bell the NYSE at the New York Stock Exchange on Wall Street in New York City on January 17, 2019. CEO of Pfizer Pharmaceutical company Albert Bourla and Pfizer ring the closing bell the NYSE at the New York Stock Exchange on Wall Street in New York City on January 17, 2019.](https://c8.alamy.com/comp/TYTX5G/ceo-of-pfizer-pharmaceutical-company-albert-bourla-and-pfizer-ring-the-closing-bell-the-nyse-at-the-new-york-stock-exchange-on-wall-street-in-new-york-city-on-january-17-2019-the-dow-jones-industrial-average-closed-up-162-points-photo-by-john-angelilloupi-TYTX5G.jpg)