Economic data on China highlighted the fragility of its recovery, and a sudden 7.3 percent plunge in the Japanese stock market underlined worries about the government?s efforts to reignite growth.

The province where the attacks took place, Baluchistan, has been the site of a separatist insurgency and violence by other militants.

Japanese stocks plummeted Thursday after a spike in government bond yields and unexpectedly weak Chinese manufacturing spooked investors sitting atop months of massive gains in share prices. The Nikkei 225 in Tokyo nosedived 7.3 percent to close at 14,483.98.

LeBron James?s layup at the buzzer in overtime rescued the Heat after the Pacers appeared to have sealed a victory on three free throws by Paul George, who finished with 27 points.

LeBron James made a layup as time expired in overtime, and the Miami Heat found a way to beat the Indiana Pacers in a wild Game 1 of the Eastern Conference finals on Wednesday.

While Wednesday?s I.R.S. hearing felt like an unforgiving, angry inquisition, senators seemed halfhearted in their desire to beat up on Apple, which has been accused of dodging taxes.

The plan to assure safety in factories, forged after a deadly collapse, could put American retailers at risk for litigation, some specialists say.

JPMorgan Chase is redoubling its efforts to move beyond a big trading loss following a resounding shareholder endorsement to keep Jamie Dimon as both chairman and chief of the bank.

The company, using money it raised last week in the markets, is repaying the government nine years before its loan was due.

A day after admitting the killing of four Americans in drone strikes, the president will announce new limits on the program of targeted attacks. Mr. Obama also plans to renew his effort to close Guantánamo prison.