Alex Wong/Getty ImagesCorporations aren't the only ones set to profit from the Republican tax plan expected later Wednesday. You can too — if you know where to look. Just focus on the so-called "Trump trade," which involves betting on the areas of the market poised to benefit most from the pro-business policy overhaul being touted by the president. Investors have already started piling back into the trade after a long hiatus, as they start to hope for real progress on the policy front. But don't worry, you haven't missed much yet.