Sophia says that she owns 2000 shares of Xerox, but she doesn't say when, or at what price, she bought them. In September 1991 Xerox sold for ~$25/share. In July of 2018 Xerox was again selling for ~$25/share. It had a peak of $555/share in 1999.
The title is based on a song from the musical "Wildcat" with book by N. Richard Nash, lyrics by Carolyn Leigh, and music by Cy Coleman, which starred Lucille Ball in 1960.
By the end of the series, the only main character never to have been involved with adultery was Sophia. The three other women had all unwittingly assisted men that they dated in cheating on their wives, and Dorothy's and Blanche's husbands had cheated on them at least once.
Rue McClanahan lost a noticeable amount of weight between seasons 6 & 7.