Becton, Dickinson and Co. BDX, -3.5% announced Tuesday that it had agreed to sell Steris its surgical instrumentation platforms for STE, -1.12% at $540 million, which is about Steris expects the deal to boost its earnings once it closes on Sept. 30 as expected. BD shares are up 1.7% by 2023 while Steris stocks are up 15.7% this year. This compares to a 14.9% rise in the S&P500 SPX .