WT Microelectronics (TWSE : 3036) today announced its monthly sales for April 2016 totaled NT$9.479 billion, a decrease of 4.25% from March 2016 and a decrease of 5.28% over April 2015. Sales for January through April 2016 totaled 36.708 billion, a decrease of 4.77% compared to the same period in 2015.