In its earnings preview today, the South Korean company put its operating profit at 15.1 trillion won (USD 14.1 billion) for the final three months of last year, compared with 9.2 trillion won a year earlier.
The result, however, missed expectations. Analysts polled by financial data firm FactSet expected 16.2 trillion won in operating profit. Analysts lowered their views on Samsung last month, citing the one-time bonuses to employees and the appreciation of the local currency against the US dollar.
Fourth-quarter sales rose 24 per cent to 66 trillion won (USD 61.8 billion), also at a record high.
For the entire year, Samsung's operating income stood at 53.6 trillion won (USD 50.2 billion), a 83-per cent surge from 2016, on sales of 239.6 trillion won (USD 224.2 billion), up 19 per cent from the previous year.
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Samsung did not give a quarterly net profit or breakdown figures for each businesses. The company is due to disclose more details of its financial performance later this month. What drove Samsung's monstrous year was the company's semiconductor division, which has been cashing in on the skyrocketing demand and prices of memory chips.
Samsung controls about half of the world's DRAM memory chips that temporarily hold data and help computers run many programs at the same time, and about one third of the world's NAND chips, which store files. It was the biggest beneficiary of the jump in prices of those memory chips in 2017.
Some analysts however worry the price of chips may fall this year and weigh on Samsung's earnings while others remain bullish on Samsung that a possible fall in chip prices would be outweighed by a big increase in sales.