I’m a little confused. I didn’t know they had a non-politics section.Fox News is a good source indeed-. They also have great stuff in the politics section on their website!
The author seems not to be aware of Bachelier. But it is inconvenient that the mathematical object of Brownian motion was first developed in the context of option pricing.I think Einstein pipped you at the post
http://stat.math.uregina.ca/~kozdron/Re ... and_BM.pdf