Sony Discman D-50

The first portable CD player affordable to the masses, the Discman D-50 (or D-5 in the US), was released by Sony in November 1984 for a price of 49,800 JPY (just over $200). If instead of buying the Discman D-50 on launch day, you had invested in Sony stock, your shares would be worth an estimated $1,221 today (or $1,101 after fees).
Release Date1 November 1984
Release Price$203.21
Company (ticker)Sony (NYSE: SNE)
Share Price (as of)USD 33.70 (28 April 2017)
Est. Value (with fees)$1,221 ($1,101)
Est. Return6.01x price, 5.7% IRR
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