PARIS — An important reading on the health of the eurozone economy is expected to show this week that growth stagnated in the most recent quarter as German output faltered, confirming the assessment of many analysts that a lasting recovery remains out of reach for the region. Economists are expecting that in the 18-nation currency bloc, gross domestic product expanded 0.1 percent in the second quarter compared with the first quarter, equivalent to an annual rate of growth of 0.4 percent. The eurozone eked out quarterly growth of 0.2 percent in the first three months of the year. The eurozone G.D.P. report, to be released Thursday by the European Union statistical agency, Eurostat, is based on data from before the latest tensions over Ukraine, and before the sanctions against Russia for its involvement in the crisis began to be felt. That means there are plenty of questions hanging over […]