John At The Center

High-frequency trading, in which firms trade large amounts in fractions of a second, is largely to thank for the increased connectivity. These traders, which make up roughly 50% of stock trading volume, according to analysts, now engross all types of money managers. Some of the firms use algorithmic trading models to catch fleeting moves in everything from stocks to currencies to commodities and game across each of the asset classes. Even “market makers,” which used to only be found on the floors of exchanges, are dominated by high-frequency, multi-asset class players.

via Technology, Regulation Push Single-Asset Traders Near Extinction – WSJ.com.