In 2009, Mercedes bought 9% of $TSLA for $50 million. They sold it in 2014 for a $780M gain. The same stake is worth $6 billion today.
1k invested in $AMZN on its IPO day in 1997 is worth about $500k today. 1k invested in Barnes&Noble in 1997 is worth $450 today.
In 2000, Blockbuster refused to buy $NFLX for $50 million. Today, Netflix is worth $50 billion and Blockbuster doesn't exist.
$10k engagement ring, bought in 1987 is probably worth 2k today. 10k invested in Tiffany stock in 1987, is worth 520k today. $TIF