BERLIN Investor confidence in Germany 's economic outlook plummeted in August following the EU-US trade agreement, as measured by the ZEW expectation index. The European Centre for Economic Research (ZEW) released its August data on investor and analyst expectations. The ZEW expectation index for Germany dropped to 34.7 points from 52.7 in July, falling short of the median forecast of 39.5. Europe's largest economy, Germany, is grappling with tough times as hopes for a swift recovery after two