Stocks are entering the final week of August on a wave of optimism, thanks to Federal Reserve Chair Jerome Powell’s surprisingly dovish tone at Jackson Hole. His suggestion that the “shifting balance of risks may warrant adjusting our policy stance” opened the door for a September interest rate cut, sending the Dow Jones to record highs and putting the S&P 500 within striking distance of its own. Futures markets now assign roughly an 85% chance of a quarter-point cut next month, according to CME data, reinforcing a rally that, in many ways, feels like it is leaning on Powell’s words as much as fundamentals. Against this backdrop, Nvidia’s (NVDA) earnings on Wednesday have become the focal point, with investors waiting to see if the AI leader can validate the extraordinary gains tech stocks have delivered over the past year. Nvidia is not just another company, it is the bellwether of the AI trade, with its GPUs powering everything from hyperscale data centers to AI research at the b...