The protesters have varied causes but have spoken largely about unemployment and economic inequality, reserving most of their criticism for Wall Street.
"We are the 99 percent," they chanted, contrasting themselves with the wealthiest 1 percent of Americans.
The unions were donating food, blankets and office space to the protesters
We support the idea that the rich should pay their fair share."
Late Wednesday, some demonstrators marched toward the New York Stock Exchange but were stopped by police about two blocks away.
The Occupy Wall Street protests started Sept. 17 with a few dozen demonstrators who tried to pitch tents in front of the New York Stock Exchange.
Since then, hundreds have set up camp nearby in Zuccotti Park and have become increasingly organized, lining up medical aid and legal help and printing their own newspaper.
stop the fraud.
introduce economic justice, not organised thievery.