Like the temperature throughout August, the stock buying activity of Rep. Marjorie Taylor Greene, a Republican from Georgia, has stayed hot over the past few weeks. According to a recently submitted regulatory filing, Greene, who sits on the Oversight and Reform Committee and the Homeland Security Committee, added shares of six stocks to her portfolio. In this round of stock purchasing, Greene increased her exposure to artificial intelligence (AI) stocks, picking up shares of Alphabet (NASDAQ: GOOGL) (NASDAQ: GOOG), Amazon (NASDAQ: AMZN), Intel (NASDAQ: INTC), and Nvidia (NASDAQ: NVDA). Greene also scooped up shares of logistics leader FedEx (NYSE: FDX)...