German DAX index sank further on Thursday as increasing Spanish yields weighed on investor sentiment. Volkswagen AG dropped 1.2% as auto related stocks across region plunged. Merck KGaA fell 2% after the drug-maker was downgraded from "outperform" to "neutral" by Exane BNP Paribas. On the upside Adidas AG advanced 1.2% and Deutsche Lufthansa recovered from previous losses, adding 0.8%. At the moment of writing DAX 30 is 0.9% or 60.74 points down at 6,723.32.