DAX starts firm into the new trading week - Renk significantly firmer after Warburg upgrade to Buy - Grenke a favorite according to Berenberg - Chip stocks in focus after STMicro cooperation with Amazon - Under Armour with fireworks following strong numbers and raised forecast!

The DAX was initially able to build on its strong performance from Friday at the beginning of the new trading week, after the German leading index closed the weekend with significant gains, thanks to the recovery in the US technology sector. After a positive opening, the DAX had to give back its initial gains during the trading day and is marginally up at noon with +0.09%. Among the biggest winners is Renk , after Warburg upgraded the defense specialist's stock to "Buy". Grenke also performed well following a positive analyst comment from Berenberg...