Canola oil prices got to $1,000 per ounce for a very short amount of time (per tradingeconomics.com).
Lumber prices go to $1,500 per board foot for a very short amount of time (per tradingeconomics.com).
Palladium prices got to $3,000 per ounce for a very short amount of time (per tradingeconomics.com).
Arabic numbers and specific values can make buyers retreat from a given asset. Clearly canola oil, lumber, and palladium prices were driven by excessive exuberance without support to go beyond an neat Arabic number.
If you want to read a book that delves into investor psychology and the problems of reading about businesses and selecting one that will perform well, read The Halo Effect. You may also want to read The Black Swan: The Impact of the Highly Improbable by Taleb, Blink by Malcolm Gladwell, and Thinking Fast and Slow by Daniel Kahneman.