股市崩盘时，许多投资者破产了。

Many investors were ruined when the stock market ___crashed.

比特币的价值一夜暴跌，引发了广泛的恐慌。

The value of Bitcoin ___crashed overnight, causing widespread panic.

科技泡沫破裂后，她的投资组合价值缩水了一半。

Her portfolio lost half its value after the tech bubble ___crashed.