CMU (MFS High Yield Municipal Trust) is no longer actively trading.
This usually means the fund has been liquidated, merged into another product, or its ticker has been retired. Every price, valuation, dividend, and analyst figure on this page is frozen at the last available trading session and reads as historical reference — not a current-day signal.

MFS High Yield Municipal Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in fixed income markets of the United States. It primarily invests in tax-exempt bonds and tax-exempt notes. The fund benchmarks the performance of its portfolio against Barclays Municipal Bond Index. It was formerly known as Colonial Municipal Income Trust. MFS High Yield Municipal Trust was founded in March 19, 1987 and is domiciled in the United States.
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BOSTON--(BUSINESS WIRE)--MFS Announces Special Distribution for Certain Closed-End Funds in Connection with Reorganizations.

BOSTON--(BUSINESS WIRE)--MFS High Yield Municipal Trust (NYSE: CMU) Announces Final Results of Tender Offer.

BOSTON--(BUSINESS WIRE)--MFS High Yield Municipal Trust Announces Preliminary Results of Tender Offer.