The last time MACD crossed the centerline was from the positive side, and the 80+ percent drop played out over the next few months (highlighted in light red). The MACD is about to cross the centerpoint from the negative side indicating the long down trend and negative direction in the chart has ended and we are seeing a start of what could be a lengthy bullish trend. In addition as further confirmation, a long downtrend has been pierced and closed above (long green line).