Earnings typically refer to after-tax net income. Earnings are the main determinant of share price, because earnings and the circumstances relating to them can indicate whether the business will be profitable and successful in the long run. Earnings are perhaps the single most studied number in a company's financial statements, because they show a company's profitability compared to analyst estimates and company guidance.BREAKING DOWN 'Earnings'Earnings are the amount of profit that a company produces during a specific period, which is usually defined as a quarter (three calendar months) or a year. Every quarter, analysts wait for the earnings of the companies they follow to be released. Earnings are studied because they represent a direct link to company performance. A company that beats estimates is outperforming its peers; thus, the CEO will be praised and the Board will pat itself on the