Microsoft didn't go public until 1986 -- there was no stock sold in 1980.
It cost $6.04 for a stock of Microsoft
Microsoft does sell parental control software. They also sell computers and software such as Microsoft word.
The place you would generally buy Microsoft Stock is the NASDAQ Stock Market. Obviously you can and likely will be purchasing the stock through a brokerage.
The current stock quote for the Microsoft Corporation is 34.90 on the NASDAQ exchange. This is subject to change frequently as the stock market is never static.
No, you cannot sell stock on the settlement date as the transaction needs to be settled before you can sell the stock.
If you mean how do you invest in the company, you do so by purchasing Microsoft stock.
What was the price of Detroit Edison company stock in 1980
Microsoft made a $150 million investment in non-voting Apple stock in 1997.
In the stock exchange that you bought them from.
Yes, you can sell your Twitter stock if you own shares of the company.
Stockbrokers make money when they sell you shares and also make when they sell your shares.
Yes, it is possible to sell a stock before it settles.