BREAKING: Futures Fall After Dow Sets Record Close INVESTING RESOURCES Cardinal Health (CAH) stock had its Relative Strength (RS) Rating upgraded from 66 to 71 Monday — a welcome improvement, but still shy of the 80 or better score you look for. Â How To Invest In Stocks In Both Bull And Bear Markets This exclusive rating from Investor's Business Daily measures share price performance with a 1 (worst) to… Take a Trial Today Related news Get instant access to exclusive stock lists, expert market analysis and ...