Stock market: Dax slightly up, records in New York, Porsche and Gerresheimer in demand

At Gerresheimer, suspicions of violating accounting regulations have been partially confirmed. According to an investigation by a law firm commissioned by the packaging specialist, however, the amount involved is only small compared to the company's revenue. Shares gained 1.2 percent. Market analysts said the problem was already factored into the previous week's price losses.

Progress in a partnership with the US pharmaceutical company Bristol Myers Squibb resulted in a 2.2 percent gain in the shares of the Hamburg-based drug researcher Evotec .

SMA Solar shares rose to their highest level in more than 15 months, ultimately gaining a good 13 percent to €26.08. There was no fundamental news about the inverter manufacturer, only a price target increase from analyst firm Jefferies from €16 to €22.