By acquiring Opel, the French group will leapfrog rival Renault RENA.PA to become Europe's second-ranked carmaker after Volkswagen VOWG_p.DE by market share.

By acquiring Family Dollar, Dollar Tree will leapfrog rival bidder Dollar General Corp to become the largest discount retailer in the United States.

By acquiring Family Dollar, Dollar Tree will leapfrog rival bidder Dollar General Corp DG.N to become the largest discount retailer in the United States.

The rapid FDA review means that the U.S. drugmaker could leapfrog rivals in the race for combination treatments.

Cisco argues that being new to servers has helped it leapfrog rivals-HP ,IBMand Dell-inthose management and networking capabilities.

But it retained some early-stage projects that it now believes have the potential to leapfrog rivals and be at the forefront of treatment.