Earnings Samsung Electronics flags mobile weakness after record first-quarter profit Updated : April 26, 2018 06:43 AM IST It also flagged softer demand for smartphone OLED panels as a challenge. Samsung shares are down about 12% from last November's all-time high. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.