The share price of TMC The Metals Company jumped over 800% in a year. A lot of good news has now been priced into an untested business model.There is nothing particularly special about a mining company. However, TMC The Metals Company (TMC +7.88%) isn't your run-of-the-mill miner. At least, it is hoping that it will be a different breed of miner. That's because the company isn't yet operational.There's a lot to unpack here. And once you know the details, you'll see that investors hoping to set themselves up ...