CNBCWhy it's so hard to pick oil's bottomCNBCTrying to pick the bottom of oil's surprise price plunge may be tougher this time around, with analysts turning to non-traditional indicators to make predictions. "Normally, when you have a coll …

CNBCHere's where pros say oil will bottom (Ouch!)CNBCAnd so the thinking goes that oil traders who successfully bought at $40 in 2004 and 2008 will try to do so once again. After all, it was a big winner for them on both occasions. The buying demand fr …