Tech stocks often fall into two categories: blue-chip stalwarts that generate slow but stable growth from mature technologies, and higher-growth companies that focus on younger and more volatile markets. Earlier this month, I highlighted a few reliable tech stalwarts that are naturally insulated from inflation and other macro headwinds. Impinj (NASDAQ: PI) is one of the world's leading producers of radio frequency identification (RFID) chips, chip readers, and software. RFID chips are used by a wide range of industries to optimize their supply chains, track shipments, and analyze long-term sales trends.