The timing of any recovery for the PGMs is somewhat up in theair since it depends on factors such as how fast auto output rebounds from the Japanese quake and future economic data.
Whether or not Samsung wields these trademarks later this week, or at all in the near future, is still up in theair -- it may be holding on to names as a precaution rather than previewing a course of action.
So even though we drive more than we fly, with apologies to Jack Kerouac and George Clooney, it seems that there is basis for the claim that onthe road is more dangerous than up in theair.
When the differential is in positive territory (red) it means higher, stronger air over the North Atlantic pushes uponthe low-pressure air over the Arctic circle.