Hello.
Microsoft stock wasn't sold to the public until 1986.
If you had invested $1,000 in Microsoft at the offering price
of $21 per share on March 13, 1986 (the first day the stock was
traded), you would have initially owned 47 shares.
Because of 9 stock splits, each original Microsoft share has split
into 288 current shares.
See:
http://www.microsoft.com/msft/FAQ/faqstocksplit.mspx#2
Thus, you'd currently have 13,536 Microsoft shares.
Microsoft closed at $28 today.
http://finance.yahoo.com/q/ecn?s=msft
Thus, a $1,000 investment in Microsoft on March 13, 1986, would be
worth $380,090.88 today.
Microsoft also has some Excel spreadsheets that allow you do the calculations:
http://www.microsoft.com/msft/download/IPOsharecalc.xls
http://www.microsoft.com/msft/download/IPOROIcalc.xls
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I hope this helps. |