You can locate the Stock quotes of companies on any day by consulting one of the following:
1. Type Your Company in the initial screen.
2. From the Results screen, select T-Mobile.
3. From the Company Information Box on the left, select: Financials
4. Select the Financials Dashboard
5. The large graphic displays the current price, sometimes delayed by 15 minutes.
6. Slide over the Quote link.
7. You'll have the option of finding a wide variety of financial information, along with historical stock quotes, day by day, back to the year 2000.
For a more extensive list of resources for stock quotes and information, consult the guide titled, "Financial- instruments - Stock-prices"