      As new pieces of information are made public, all market participantsmust digest that information and re-evaluate their sentiment in the stock.The newly re-evaluated sentiments are then represented in the market, basedon the decisions that each participant makes. Of course, opinions vary.Regardless, the sum total of all opinions will be represented in the priceof the stock. It is for this reason that when a new piece of heavily-weighted information is released to the public, price movements occur. Ifthe information affects a broad category of stocks, then price movementswill be more widespread.