WHY is this always couched negatively? Come on, the only time you ever read any form of "plunge" used in a good sense is when it's paired with neckline. "Worries:" There can be nothing good coming with "worries." "I worry about my plunging neckline"?, no.
"Shots rang out and the president's head slumped onto Mrs. Kennedy."
This is GOOD news for the American people, okay? It's good for everybody except oil exporters like the Saudis, Russians and energy speculators. To whom I say, JUMP!