
In Wall Street’s retelling of the biblical Book of Samuel, General Motors Co. is Goliath and electric car maker Tesla Motors Inc. is David, the would-be giant slayer.

In Wall Street’s retelling of the biblical Book of Samuel, General Motors Co. is Goliath and electric car maker Tesla Motors Inc. is David, the would-be giant slayer.

General Motors Vice Chairman Steve Girsky is upbeat about the future of Opel, which has kept a steady market share in Europe so far this year after 15 straight years of falls.