Aluminum giant Alcoa announced separation into two companies next year. The company is engaged in the mining business will retain the current name of the company. For the year that ended in June, the company would have had revenues of 13.2 billion dollars. Another company will have a large part of the added value in the products and for the year that ended in June, would have received $ 14.5 billion in revenue. Investors positively estimate the move, and we expect the company's shares increase by 25-30% per annum in the medium term.