The American economy, just like all other economies, is truly volatile. There is no way to predict for sure if the market will plummet at any one particular day. There are, however, indicators as to what direction the market will move. Most investors would bank on this kind of information but would also be wary about the market suddenly moving to another direction without so much as a bat of an eyelash. It could happen. The market could suddenly crash or it could soar unexpectedly. This does not happen all the time but you do want to be prepared in case such a scenario presents itself so you are able to take advantage of it as very few would likely be able to. Economic forecasting helps you make the informed decisions quickly to be able to ride on both the market’s ups and downs and profit from your investments quantitative easing.
People who do economic forecasting are usually those with expertise in reading economic factors and correlating them to form predictions as to the behavior of particular economies at some point in the future. Governments have in their employ economic experts to aid in fiscal policy formulation and investment planning among others. Private institutions would also have their own consultants for their own purposes. With these forecasts coming from credible sources, careful planning as to how to take advantage of market opportunities in whatever market condition will result in more profits even for personal investors like you.