A sharp decline turns into a free-fall, WTI crude at $97.90/barrel, now more than $8 cheaper...

A sharp decline turns into a free-fall, WTI crude at $97.90/barrel, now more than $8 cheaper than it was about 72 hours ago. USO -4.3%. Previously moving solidly higher, gold reverses to turn slightly red at $1,634/oz. GLD -0.2%.