Reddit had a few good discussions of this if you are interested: https://www.reddit.com/r/personalfinance/comments/940jdc/fidelity_launches_zero_fee_index_funds

Reddit had a few good discussions of this if you are interested: https://www.reddit.com/r/personalfinance/comments/940jdc/fidelity_launches_zero_fee_index_funds/ https://www.reddit.com/r/personalfinance/comments/940jdc/fid... ; https://www.reddit.com/r/personalfinance/comments/93s4mj/fidelity_to_offer_0_expense_ratio_index_funds/ https://www.reddit.com/r/personalfinance/comments/93s4mj/fid...