这一指数自4月下旬以来已经下跌15%，很有可能使其50日移动平均线行至200日移动平均线下方，形成一个所谓的“死亡交叉”。
The index's15 % selloff since late April looks set to push the market's50-day moving average below its200-day moving average , in what is known as a'death cross .
死亡交叉