In the mock documentary “This is Spinal Tap,” the character Nigel Tufnel shows off a guitar that can never be played, touched, pointed to or, ultimately, looked at. You’ll never know the reality of ...

CHICAGO (Reuters) - Collectors and guitar fans have been whipsawed by the Elvis-pelvis gyrations of the vintage guitar market. Now they're at a crossroads - is it time to pick up that choice ...