Serious suggestions? Like the other poster said. Be prepared for a 100% loss. Even if Apple shot back up to $500 today (which is *highly* unlikely), they'd still be worth $0.
What you can do is this.... what we've all done. Learn from the mistake. Trust me, anyone who's traded with anything at all, has taken a larger loss than we'd like to - at some point.
Fell #$%$ today (we all have felt it), you'll get over it.