Nasdaq, Stock Market | featured news

Nasdaq's late-night rebalancing of its benchmark Nasdaq-100 Index spurred volatility in Apple shares as its weighting is slashed, and surprised U.S. fund managers who questioned the timing of the announcement.

Nasdaq OMX Group Inc.'s potential hostile bid for NYSE Euronext would face substantial antitrust questions in the U.S., where it would merge two direct competitors and create a monopoly in the market for corporate listings, according to antitrust lawyers.

Hackers have repeatedly breached the systems of the company that runs the Nasdaq, according to several law enforcement officials.

ChinaCache International Holdings, a provider of Internet content, soared 95% on its Nasdaq trading.