Major U.S. stock indexes made strong gains in Thursday’s trading after some upbeat profit reports by major companies.  The Nasdaq composite posted its biggest daily gain since March, as Microsoft’s upbeat earnings spurred a rebound in technology names and investors snapped up oversold shares. The Nasdaq added 209.94 …

British regulators slapped Facebook on Thursday with a fine of 500,000 pounds ($644,000) — the maximum possible — for failing to protect the privacy of its users in the Cambridge Analytica scandal. At the same time, European Union lawmakers demanded …