Use Greif Inc. story concurrently with your other holdings to protect against small markets fluctuations and to back test it against optimization strategy that fits your risk preferences.
Retained Earnings is a balance sheet account that refers to the portion of company income that is retained by the firm. In other words it is a part of earnings that is not paid out as dividends or otherwise distributed to owners. Retained Earnings are calculated by adding net income to last period retained earnings and subtracting any dividends paid to owners.