belongs to goldman sachs. not only a former employer for top administration posts for trump, but the darling of the dow's post-election rally. the iconic wall street bank up a stunning 32% since trump's victory. that's helped goldman sachs price help after the meltdown of 2008. that jump is contributed 24% or 385 of the dow's 1,600-point rally since november. it is the most expensive stock on the average trading at $240 a share. because of the way the dow is calculated, it makes it more influential in the index. what is behind the strong performance? high interest rates and more trading activity and hope of less regulation under the trump administration. >> for the average person, check your 401(k).