President Trump's energy policies and investment deals could become major targets of Democratic investigations if the party wins control of either chamber of Congress.

Why it matters: Congressional probes could expose new details about the administration's dealings with major companies and foreign governments.

What they're saying: House Democrats are likely to take a "shotgun" approach of "throwing everything out there and then seeing what sticks in the realm of popular opinion," TD Cowen analyst John Miller said via email.

Democrats will be looking for agencies that exceeded their authority, deals involving administration officials' families, or both, Miller said.

The big picture: Scratch the surface of Democrats' biggest potential oversight targets, and energy is everywhere.

Russia.…