【体】bungee jumping

比喻价格狂跌to plunge

• 今年从“跳水”到“蹦极”，彩电行业的利润已经跌入了历史最低点。

  From a dive to a plunge in prices this year, TV industry profits have fallen to their lowest point in history.

• 10月底沪铜在跌停、涨停的上下蹦极中，让小马的投资公司遭遇了滑铁卢。

  Copper prices that were oscillating like bungee jumping at the end of October have caused Xiao Ma's investment company to suffer its own Waterloo.

比喻股市行情暴跌crash in the stock market

• 4月纳斯达克指数像玩“蹦极”。

  The oscillations of the NASDAQ are like "bungee jumping"

• 创业板上演蹦极秀，昨日涨幅超4%，今日跌幅达7%。

  The Growth Enterprise Market is staging a bungee jumping show: yesterday growth rates exceeded 4% and today it reached a 7% decline.