German Stocks Snap Two-Day Advance as Merck, Lufthansa DeclineBloombergMerck slumped 2.9 percent to 64.82 euros as the German drug and chemicals maker was downgraded to “underweight” from “equal-weight” at Morgan Stanley, …Lufthansa, Merck, Stada, thyssenkrupp: German Equity PreviewBloombergall 3 news articles »