Many managers are confounded by the conflicting messages the market sends them. Strong improvements in the financial performance of a company can be followed by a sharp fall in the price of its shares. Results that moderately exceed consensus forecasts can propel its share price to new heights, leaving managers to wonder how they can possibly achieve the superhuman feats the market expects from them. Either way, they throw up their hands, rail at the market's irrationality, and go on running their businesses as they always have.
Given the market's habit of regularly defying logic, it is n…