From The 6 Principles of the New Populism (and the Establishment’s Nightmare):

Wall Street and big business Republicans are already signaling they’d prefer a Democratic establishment candidate over a Republican populist.

Dozens of major GOP donors, Wall Street Republicans, and corporate lobbyists have told Politico that if Jeb Bush decides against running and Chris Christie doesn’t recover politically, they’ll support Hillary Clinton. “The darkest secret in the big money world of the Republican coastal elite is that the most palatable alternative to a nominee such as Senator Ted Cruz of Texas or Senator Rand Paul of Kentucky would be Clinton,” concludes Politico.

I bet the Pentagon would prefer Hillary too.