TOKYO -- Japan's Financial Services Agency plans to increase charges levied on companies that manipulate stock prices through high-speed trades, transactions that occur repeatedly in intervals as short as one-millionth of a second.
FSA to step up monitoring of price manipulation through microsecond transactions

High-frequency trading provides liquidity in markets, but it can also be used to distort stock prices. (Photo by Yukinori Okamura)
TOKYO -- Japan's Financial Services Agency plans to increase charges levied on companies that manipulate stock prices through high-speed trades, transactions that occur repeatedly in intervals as short as one-millionth of a second.