WT Microelectronics (3036 TT) today announced its unaudited monthly sales for December 2018 totaled NT$22.7 billion, equaling to US$736 million approximately, a decrease of 28% from November 2018 and an increase of 12% over December 2017. Sales for fourth quarter 2018 reached record high of NT$85.8 billion, equaling to US$2,796 million approximately, an increase of 1% from third quarter 2018 and an increase of 43% over fourth quarter 2017. Aggregated sales for 2018 also reached record high of NT$273.4 billion, equaling to US$9,070 million approximately, an increase of 44% compared with 2017 period.