Over the very long term, the S&P 500 (^GSPC -0.56%) has produced an annualized return of about 10%, a figure that includes dividends. That's a respectable gain, but some companies have performed significantly better.Since this company's initial public offering in September 1981, it has generated a monster total return of 3,157,000% (as of May 22), crushing the broader benchmark. This means that had you invested $1,000 over four decades ago, you'd be sitting on an unbelievable balance of nearly$32 million t ...