Nuveen Municipal High Income Opportunity Fund is a closed-end fixed income mutual fund launched by Nuveen Investments Inc. The fund is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC. It invests in the fixed income markets of the United States. The fund primarily invests in investment grade tax-exempt municipal securities. The fund was formerly known as Nuveen Municipal High Yield Opportunity Fund. Nuveen Municipal High Income Opportunity Fund was founded in November 19, 2003 and is based in the United States.

Invesco Municipal Opportunity Trust is a closed ended fixed income mutual fund launched by Invesco Ltd. The fund is co-managed by Invesco Advisers, Inc., INVESCO Asset Management (Japan) Limited, INVESCO Asset Management Deutschland GmbH, INVESCO Asset Management Limited, Invesco Canada Ltd., Invesco Hong Kong Limited, and INVESCO Senior Secured Management, Inc. It invests in the fixed income markets of the United States. The fund primarily invests in investment grade municipal securities which include municipal bonds, municipal notes, municipal commercial paper, and lease obligations. It employs fundamental analysis with bottom-up security selection approach to create its portfolio. The fund was formerly known as Invesco Van Kampen Municipal Opportunity Trust. Invesco Municipal Opportunity Trust was formed on April 24, 1992 and is domiciled in the United States.

Eaton Vance Municipal Income Trust is a close ended fixed income mutual fund launched and managed by Eaton Vance Management. It invests in the fixed income markets. The fund invests primarily in investment grade municipal obligations of various sectors, such as cogeneration, education, electric utilities, general obligations, healthcare, hospital, housing, transportation, and nursing home. Eaton Vance Municipal Income Trust was formed in 1998 and is domiciled in United States.

Invesco Municipal Income Opportunities Trust is a closed-ended fixed income mutual fund launched by Invesco Ltd. The fund is co-managed by Invesco Advisers, Inc., INVESCO Asset Management Deutschland GmbH, INVESCO Asset Management Limited, INVESCO Asset Management (Japan) Limited, Invesco Hong Kong Limited, INVESCO Senior Secured Management, Inc., and Invesco Canada Ltd. It invests in the fixed income markets of the United States. The fund primarily invests in municipal bonds rated BB or better by Standard & Poor's or Ba or better by Moody's. It employs fundamental analysis with bottom-up security selection approach to create its portfolio. The fund was previously known as Morgan Stanley Municipal Income Opportunities Trust. Invesco Municipal Income Opportunities Trust was formed on September 19, 1988 and is domiciled in the United States.

Putnam Managed Municipal Income Trust is a close-ended fixed income mutual fund launched and managed by Putnam Investment Management LLC. It is co-managed by Putnam Investments Limited. The fund invests in the fixed income markets of the United States. It primarily invests in a diversified portfolio of tax-exempt municipal securities, including high-yield securities that are rated below investment grade. The fund benchmarks the performance of its portfolio against the Barclays Municipal Bond Index. Putnam Managed Municipal Income Trust was formed on February 24, 1989 and is domiciled in the United States.

Putnam Master Intermediate Income Trust is a closed ended fixed income mutual fund launched and managed by Putnam Investment Management, LLC. The fund is co-managed by Putnam Investments Limited. It invests in the fixed income markets of the United States. The fund invests in bonds of companies operating across diversified sectors. It benchmarks the performance of its portfolio against the Barclays Capital Government/Credit Bond Index. Putnam Master Intermediate Income Trust was formed on April 29, 1988 and is domiciled in the United States.

Nuveen Municipal Income Fund, Inc. is a closed ended fixed income mutual fund launched by Nuveen Investments Inc. The fund is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC. It invests in the fixed income markets of the United States. The fund primarily invests in municipal obligations issued by state and local government authorities. Its investment portfolio comprises investment in companies operating in various industries, including healthcare, materials, education and civic organizations, and consumer staples. Nuveen Municipal Income Fund was formed on April 20, 1988 and is based in the United States.

PIMCO New York Municipal Income Fund is a closed ended fixed income mutual fund launched and managed by Allianz Global Investors Fund Management LLC. It is co-managed by Pacific Investment Management Company LLC. The fund invests in fixed income markets. It seeks to invest in stocks of companies operating across diversified sectors. The fund primarily invests in municipal securities. The fund's investment portfolio includes investments in hospital, water and sewer, tobacco, state and local general obligations, education, lease, tax, and power sectors. PIMCO New York Municipal Income Fund was formed on June 29, 2001 and is domiciled in United States.