The unexpectedly large fine the European Commission has slapped on Google—€2.4 billion—is evidence that the search giant’s relationship with European regulators is now a vicious circle of escalation. Google’s reluctance to give up any revenue from its fastest-growing ad format may lead to significant, unpredictable losses in its biggest market outside the US. The case in which competition commissioner Margrethe …

DUBAI / Reuters Qatar’s stock slumped on Sunday as a deadline for Doha to accept a series of political demands by four Arab states was expected to expire late in the day with no sign of the crisis ending while Saudi Arabia’s rally extended for a third session. Qatari Foreign Minister Sheikh Mohammed bin Abdulrahman al-Thani said at the weekend …

Bloomberg Unicaja Banco SA raised about 688 million euros ($783 million) in an initial public offering that turned into a test of confidence in Spanish banks after this month’s demise of a larger lender. Unicaja, based in the southern city of Malaga, priced the sale of 40.3 percent of its equity at 1.10 euros per share, the low end of …