Chicago-based R.R. Donnelley is moving from the Standard & Poor’s 500 index to the MidCap 400. Garmin Ltd., a maker of navigation devices, will join the benchmark S&P 500 index after the close of trading on Dec. 11.
Donnelley, which provides integrated communications services, has a market cap of about $1.68 billion. Garmin’s market cap is about $7.78 billion.
Standard & Poor’s said Wednesday that R.R. Donnelley & Sons Co. is replacing Medicis Pharmaceutical, which is being acquired by Valeant Pharmaceuticals International Inc.