"Samsung's Q4 2018 profits and operating income will decline due to weak demand for semiconductor products (DRAM and NAND). The slow demand during the quarter will lead to an inventory situation that will further drop the prices for the chips in 1H 2019. This means that Samsung might not be able to enjoy the same level of operating profits in 2019 as it did last year in the semiconductor segment. The decline in smartphone sales and a slow server DRAM demand in the fourth quarter has led to this situation. The declining demand for OLED screens from Apple and Samsung for flagships in the last quarter of 2018 will also hurt the overall earnings." – Shobhit Srivastava