Jiving/MM21 Jun 2024 15:43
"Every trade is of course a simultaneous buy & sell. " Only up to a point, Lord Copper! As I understand it, and according to extrader I am very naive, the shares sold are bought by a Market Maker who sells them on, hopefully at a higher price but possibly lower. It's a bit like trading in a second-hand car but everything happens a lot faster.
As for "As Mr Buffet put it, 'Be fearful when others are greedy and be greedy when others are fearful.'" - that works 50% of the time! Much like anything else!