Wow, Apple's worth has reached a staggering $3 trillion in cap. It's incredible to see the iPhone maker leading the way ahead of competitors like Microsoft, Google, Amazon, Nvidia, and Saudi Aramco. The news suggests that they may even reach a worth of $4 trillion by 2025. Currently, the world's top 10 companies have a combined value of several trillion dollars, surpassing the entire economies of some countries. It's worth investigating how this came to be?