Taiwan Semiconductor Manufacturing is about to benefit from two huge demand waves.If you've been an investor for a while, you've likely heard the phrase "picks and shovels" when referring to a company. This moniker is given to a business that may not pursue a trend directly. Instead, it's giving its clients the tools they need in their efforts. When it comes to the artificial intelligence (AI) gold rush, there are a few picks-and-shovels companies that are excelling.While many may point to Nvidia as the ult ...