The stock ended the day down by only 1.4 percent.
The stock ended the day at $16.65, down just 3 percent.
The stock ended the week down 18.5 percent; it has lost more than half its value since May.
The company's stock ended the day at $99.38, up almost 12 percent.
Stocks ended lower but still had their best month of the year.
The stock ended Friday at $46.375, down $2.75 for the week.
The stock, which had reached a high of $15 in January 1993, ended 1996 at just over $1 a share.
On June 15, when the management change was announced, the company's stock ended at $7.
Stocks ended higher even as oil prices reached another record.
The stock ended the day at $83.625 a share, down $3.375.