When Shiga toxin is released from an E. coli O157:H7 bacterium, it can translocate to organs other than the digestive tract such as the kidneys and central nervous system (brain and spinal cord). This can cause hemolytic uremic syndrome (HUS) and/or thrombotic thrombocytopenic purpura (TTP) .
A strategy called dollar-cost averaging can help reduce risks surrounding an asset falling in price. The concept is straightforward - you invest a fixed amount of money in an asset once every fixed time period.
You can purchase common stock in a single company over time, called dollar-cost averaging, so that you buy some shares when the price is lower and some when it's higher. You can calculate the average price of your common stock with basic information about the stock purchases.