Floor traders claim to add needed liquidity to the market by buying and selling for their own accounts.

The national system was established to add liquidity to the market and encourage fairer competition.

Traders that add liquidity receive a $2.00 rebate per 1,000 shares.

It's good news because derivatives add liquidity to markets.

But day traders add liquidity and while some on Wall Street disdain them, it takes a lot of guts to do what they do.

In a nutshell, the three-year auction can been considered as successful in terms of adding liquidity to the banking sector.

"The observable evidence is that the contract has added liquidity to the market, thereby perhaps adding efficiency."

Mr. Greenspan has contended that hedge funds add liquidity to the market.

Or is that outweighed by the good Wall Street does-loaning money to businesses, adding liquidity to the economy, etc.

Basic arbitrage, which provides relatively modest profits, is considered to be a strategy that can stabilize prices and add desirable liquidity to the market.