Possible it find support at the levels of the bottom of 2013 (point 1) and 2017 (point 2)
Maybe it returns to his uptrend again if the markets go "normal" again.
The upward trend is fundamentally substantiated.
The operating cash flow climbed way more then expected (about 7%) and the annualized net profit went up about 9%.
They changing from coal-fired power stations to renewable energy sources
So it's possible it can return to his turn-around fase and continu his uptrend again ...