History suggests US stocks are poised for weakness as the Federal Reserve starts raising interest rates, but investors trying to gauge the ultimate market fallout are focused on how aggressively the central bank hikes and the economy's response ↧ Fed rate hike cycles have a history of denting US stock prices History suggests US stocks are poised for weakness as the Federal Reserve starts raising interest rates, but investors trying to gauge the ultimate market fallout are focused on how ​aggressively the central bank hikes and the economy's response.