The company 's held its initial public offering on July 29 , 1999 .
The company 's was issued at $8 per share , ending its first day of trading at $9.375 and closing at $11.75 by that Thursday .
The company 's held its initial public offering on July 29 , 1999 and was issued at $8 per share , ending its first day of trading at $9.375 and closing at $11.75 by that Thursday .