The shares hit 750p and closed 36p higher at 669p.
The shares closed at $19, down 18.1 percent on the day.
The shares closed at $184.75, an increase of 386 percent.
Its shares closed at $18.94, down from a high of $61 in March.
The shares closed at $25.375 on March 10, more than $10 below where they were a month earlier.
On Friday, the shares closed at $21.75, down 39 percent from the beginning of the year.
The shares closed Friday at $15.45, down about 22 percent from their 52-week high last summer.
The shares closed that day at $9.375, up 10 percent.
The shares closed at $25.375 on Friday, 55 percent below the price a year ago.
Its shares closed yesterday at $3.80, down from a high around $24 early in 2000.