The Bundesbank, Germany’s central bank, described increasing optimism over the state of the country’s economy in its latest monthly report published on Thursday. Germany’s gross domestic product (GDP), adjusted for inflation, is likely to rise again slightly in the second quarter, the bank said. Although the German economy continues to face headwinds, there are increasing positive signs pointing to a recovery, the bank’s experts wrote in the report. In the first quarter, Europe’s largest economy surprised with very modest growth of 0.2%, supported by exports and increased construction investme…