Nestlé is a blue-chip if ever there was one, it is in the food bizz and Swiss and has been around for ages. Here is the chart;
Unilever fits in this same category but has not moved this much ( yet?). Nestlé dropped from $57 to$44 or roughly 22%, much of it in the last few weeks. Relative to the rally post March 2009 ($35 to $57 or $22 it has lost 59%. The chart both in the big picture but also looking at the details very strongly suggests that this drop is not over by a long shot.