Fundamental values of companies and commodities change slowly but prices swing all over the lot because the consensus can change quickly. It is said that prices are connected to values with a mile-long rubber band, allowing markets to swing between overvalued and undervalued levels.
The normal behavior of the crowd is to mill around, make noise, and go nowhere. Once in a while a crowd becomes excited and explodes in a rally or a panic, but usually it just wastes time. Bits of news and rumors send ripples through the crowd, whose shifts leave footprints on our screens. Prices and indicators reflect changes in crowd psychology.
