Meyer Burger Technology AG reports business performance in the first half year 2019 below expectation. The solar sector was marked by weak demand in China, the largest end customer market, during the first half of 2019. A global surplus in production capacity for multicrystalline wafers, cells and modules was accompanied by supply bottlenecks for high-efficiency mono-products.    Although investments in standard PV increased because of declining prices for PERC equipment, cell and module manufac...