This is now Samsung Electronics’ biggest money-maker, and the reason the South Korean powerhouse will likely post record quarterly earnings.

The top handset maker is forecasting a 73 percent jump in operating profit for the October to December period, after record-smashing sales of smartphones, according to Reuters.

Smartphone shipments are forecast at a record 35 million in the fourth quarter, up 25 percent from the previous quarter.

Samsung expects operating profits of $4.5 billion dollars (5.2 trillion won). Q4 revenue is estimated at $41 billion dollars (47 trillion won). Read the rest of this entry →