Description:The Daily Digit today is $653.4 million. That's the worth of a deal Caterpillar made in China last June- later found to involve accounting fraud- and the very reason behind a 55% drop in the company's fourth quarter profits. Caterpillar, which is the world's largest maker of construction equipment, bought ERA Mining Machinery and its subsidiary Siwei, to expand in the mining business in China.(1:12)