It is that time of the year when Korean companies announce their financial reports. Samsung has just revealed the Q4 profit dropped on a yearly basis due to fall in memory chip prices and weakness in display panels. The mobile business in particular saw increased quarterly demand for phones and tablets, mostly because it was the holiday season. However revenue and profit decreased following extensive marketing expenses and the lack of any flagship smartphone announcements. Rounding up Q4 means we have the full numbers for the fiscal year as well. The IT & Mobile Communications...