(Bloomberg) -- Over the past year, Alphabet Inc. has gone from an artificial intelligence afterthought to the one firm in the market with dominant positions in nearly every aspect of the technology. Now it’s on the brink of overtaking AI chip giant Nvidia Corp. as the largest company in the world.Most Read from BloombergTrump Wants to Make H-1B Workers More Expensive for US EmployersOnline Mob Fuels 6,000% Stock Rally in Obscure SpaceX RivalBillionaire Duke of Westminster to Sell £700 Million of