The U.K.'s FTSE index is expected to open slightly lower, Germany's DAX 0.2% higher, France's CAC 40 up 0.13% and Italy's FTSE MIB 0.1% lower, according to data from IG.LONDON — European stocks are expected to open mixed on Tuesday, with all eyes on France after the resignation of Prime Minister Sebastien Lecornu plunged the country into a fresh political crisis.France is firmly in focus this week following Lecornu's surprise departure on Monday, which came just one day after he had appointed a new governme ...