| Apr 24, 2015

Nikkei falls back on profit-taking

Stocks snapped their three-day winning streak on the Tokyo Stock Exchange on Friday, pressured by selling to lock in profits. The Nikkei 225 average shed 167.61 points, or 0.83 percent, to end at 20,020.04. On Thursday, the key market gauge rose 53.75. The Topix ...

| Apr 23, 2015

Delayed flash crash arrest throws spotlight on regulators

The five years it took regulators to bring high-profile charges against a U.K. trader underscore how hard it is to spot wrongdoing in fast-developing markets, and may herald problems in detecting future mishaps. Navinder Singh Sarao, 36, was arrested in London on Tuesday, charged ...