In the largest IPO since Ford went public in 1956, Apple debuts on the stock market with a valuation of $1.8 billion. Of Apple’s 1,000 employees, more than 40 became instant millionaires thanks to their stock options.

Honorable Mention Apple III Ships: Priced from $4,340 to $7,800, the Apple III is supposed to be the firm’s flagship business computer, but instead flops badly due to reliability issues.