Andria Cheng

The largest re­tail­er in the US com­bats Ama­zon by us­ing its mas­sive store fleet to ful­fill on­line gro­cery or­ders.

Al­iba­ba com­mands the biggest e-com­merce share in the world’s fastest-grow­ing econ­o­my, so its earn­ings mat­ter.