Nearly two decades ago, tech startups used to chase the distinct pedigree of being a unicorn — reaching a $1 billion valuation.Now, fast-growing tech startups like OpenAI and SpaceX have shifted the goal posts by hundreds of billions of dollars. The era of the hectocorn has arrived. It is a small but growing club, and you must be valued at more than$100 billion to qualify.The next company to join the list could be Waymo, the self-driving robotaxi startup owned by Alphabet Inc. The autonomous automaker i ...