Conversation so far:
when were stock shares of ups first introduced
On November 10, 1999, UPS offered shares of its stock to the public for the first time.
why was the ups stock offered to the public
This initial public offering strengthened UPS by giving the company the ability to use a publicly traded security to make strategic acquisitions in important markets around the world.
how much was the ups shares
UPS shares were $50 at the initial public offering.

Question: did the stock go up or down
Self-contained rewrite: did the ups stock go up or down