Do I try to predict what demand will be for my product?
Do I try to respond to demand which is evident?
Do I try to train my people for what I think they will need?
Do I try to help them be rapid learners of the skills required?
Do I try to guess what new products will sell well?
Do I make a lot of products and make more of what sells well?
Do I try to anticipate which direction the stock market will move?
Do I set up my portfolio to respond reasonably whatever the market does?
Responsiveness generally trumps predictiveness.