[spiderplant]

Nokia. Pan Am. Lehman Brothers. Kodak.

Could be adding Boeing to that list if they don't handle their current crisis well.

I was reading earlier about a drug tampering incident in the US.
"Before the poisonings, Tylenol brands held around 35% of the US market for acetaminophen [paracetamol] and in the immediate aftermath, fell to 8%"
In that instance, the manufacturer handled the situation well, and eventually recovered their market share, but it shows how external factors can play a part.