Read program-trading on The Wall Street Journal ...

Program trading is in again. Its volumes have been rising. Its technology is becoming more sophisticated. And the buyside is warming to its capabilities, so much so that program trading now represents ...

In these hard times, sellside trading desks are angry at how the regulators have turned the business upside down. It came with a series of dramatic shocks, which included the move to decimal pricing.

NEW YORK—Program trading in the week ended Sept. 16 amounted to 40.2% of New York Stock Exchange average daily volume of 2.52 billion shares, or 1.01 billion program shares traded per day. This ...