Fiat Chrysler shares drop as Marchionne exit creates uncertainty

Shares in the Italian-American carmaker were trading at 16.10 euros in volatile trading in Milan. Ferrari, where Marchionne was also replaced at the helm, shed 5 percent to 113.50 euros on opening. The losses weighed on the Milan stock exchange overall, where the heft of FCA pulled down the benchmark FTSE MIB by 1.1 percent.