You are given a text that consists of multiple sentences. Your task is to perform abstractive summarization on this text. Use your understanding of the content to express the main ideas and crucial details in a shorter, coherent, and natural sounding text.

DENVER, June 15, 2020 /PRNewswire/ -CIBC (NYSE: CM) (TSX: CM) today announced there will be no constituent additions or deletions to the CIBC Atlas Clean Energy Index following the June 19, 2020, rebalance. Constituent additions to and deletions from the Index do not reflect an opinion by CIBC U.S. Private Wealth Management on the investment merits of the respective securities. For further information, please contact CIBC U.S. Private Wealth Management at 720.221.5000. About CIBC CIBC (NYSE: CM) (TSX: CM) is a leading North American financial institution with 10 million personal banking, business, public sector and institutional clients. CIBC offers a full range of advice, solutions and services in the United States, across Canada and around the world. In the U.S., CIBC Bank USA provides commercial banking, private and personal banking and small business banking solutions and CIBC Private Wealth offers investment management, wealth strategies and legacy planning. Visit us at cibc.com/US. Private banking is offered by CIBC Bank USA, Member FDIC andEqual Housing Lender. CIBC Bank USA and CIBC Private Wealth Group, LLC are both indirect, wholly owned subsidiaries of CIBC. The CIBC logo is a registered trademark of CIBC, used under license. Investment Products Offered are Not FDIC-Insured, May Lose Value and are Not Bank Guaranteed SOURCE CIBC Bank USA

Answer: CIBC announces no changes to the CIBC Atlas Clean Energy Index