In the last month, the shares have lost half their value.

On the news, the company's shares lost 40 percent of their value.

Its shares lost more than 40 percent of their value in 1999.

Since then, the shares have lost almost 80 percent of their value.

The shares have lost more than 90 percent of their value in the last 12 months.

The shares have now lost 22 3/8, or nearly 20 percent of their value, in just three days.

Its shares lost 19 percent last week after the news.

Its shares have lost 85 percent of their value this year.

Sometimes shares lose all or most of their value during the time you own them.

The shares lost more than 10 percent of their value that day.