(Adds RIC for China A index)
Nov 14 (Reuters) - U.S. index provider MSCI announced changes to a number of its index funds on Monday, adding 55 securities and removing 34 from its World Index .MIWD00000PUS .
The three largest additions measured by full company market capitalization will be Denmark's Dong Energy DENERG.CO , the United States' First Data Corporation A and France's Dassault Aviation AVMD.PA .
MSCI also announced changes to its emerging markets index .MSCIEF and added 44 new securities and deleted 3 from its China A index .MICNA0000PUS . The largest Chinese companies added were China Film Corporation A 600977.SS , China Grand Automotive Services A 600297.SS and Cultural Investment Holdings A 600715.SS .
To its emerging markets index, MSCI added China Huarong Asset Management H 0993.HK , Chinese ADR Weibo Corporation WB.O , and Brazil's Electrobras ON.
Updates were also announced to MSCI's frontier markets index, including the three largest: Sonatel (Senegal), Pampa Energia ADR (Argentina) PAM.BA and Bank Dhofar (Oman) BDOF.OM .
The changes were part of quarterly adjustments MSCI makes to its indexes, which it says are tracked by $9.5 trillion in assets.
The index fund updates will be implemented at market close on Nov. 30.