As if Wall Street has not been frenetic enough in recent weeks, it will soon have a new tenant who plans to shake it up even more: the Rev. Jesse L. Jackson.

Mr. Jackson yesterday announced plans to open an office on Wall Street next month that will bring his brand of capitalism to the epicenter of the world's financial system.

Mr. Jackson said his new office would seek to cajole, persuade and pressure American companies to hire and promote more blacks and members of other minorities, name more of them to corporate boards and award more business to companies owned by members of minorities.

Speaking to an enthusiastic group of black executives at the World Trade Center in Manhattan, Mr. Jackson said, ''Open up the walls on Wall Street.''