AFP, Frankfurt Am Main :
Shares in German airline giant Lufthansa plunged more than 12 percent on Monday after the group posted a profit warning.
At 0753 GMT, the shares were down 12.5 percent at 15.48 euros, underperforming Frankfurt’s main DAX index which was up 0.12 percent.
In a statement issued late Sunday, the Frankfurt-based group said it now expects to reach an operating margin of between 5.5 to 6.5 percent, down from an earlier estimate of 6.5 to 8.0 percent.
