Shares ended lower but still had their best month of the year.
Shares of the company ended the day yesterday exactly where they began, at $36.625.
The shares ended 2 percent higher at $:2.9925 or about $4.73.
But the shares closed that first day below the offered price and ended the week at $17.
The shares, which were trading above 300p five years ago, ended the day 14% higher at 6.5p.
Shares ended 1.4 percent higher on Wednesday after the new field was announced.
Its shares ended the day at 82 3/4, up 1 7/8.
The shares ended the day at $29.23, down 47 cents or 1.58 percent.
The dividend for the group is the same 5.35p as last year and the shares ended the day 4p down at 211p.
The shares ended the day down $6.96, or 16.6 percent, to $34.99.