Standard & Poor's will add Cintas (CTAS) - Get Report to the S&P 500 index after the close of trading Wednesday, to replace the vacancy created by FleetBoston's acquisition of Summit Bancorp (SUB) - Get Report.
FleetBoston is already a member of the S&P 500.
Cintas, a component of the
S&P MidCap 400
, will be replaced in that index by
. Cintas designs uniforms that it rents or sells to customers in the U.S. and Canada. Newport supplies components, instruments and other products to fiber-optic communications companies and semiconductor equipment providers.