Wall St. logs biggest two-day gain since financial crisis

Wall Street rallied more than 2 percent on Thursday as strong U.S. economic data and hints that a September interest-rate hike was unlikely fuelled optimism that the worst of recent market turmoil was over. The Dow Jones industrial average scored its biggest two-day percentage gain since 2008, while the S&P 500 and Nasdaq Composite racked up their biggest two-day increases since 2009.