Iran, Pakistan Begin Border Gas Pipe Amid Sanctions Threat

The presidents of Pakistan and Iran inaugurated work on the cross-border leg of a gas pipeline that the U.S. has warned may breach a sanctions regime aimed at curbing the Persian Gulf nation’s nuclear program.

Pakistan’s benchmark KSE 100 share index plunged 2.5 percent in Karachi, the biggest drop in almost two months, as the news sparked concerns the U.S. would impose penalties.