Effective the close of business, 7 March 2012, the Calamos U.S. Convertible Opportunities Fund will close. Please click here for the shareholders circular that discusses the reasons and details related to the action. You may exchange shares in the Fund for shares into the other Calamos UCITS Funds- including, but not limited to- the Calamos Global Convertible Opportunities Fund at no charge. With effect on and from 13 February 2012, no shares in the U.S. Convertible Opportunities Fund may be issued or sold by the Company and, from this date, the U.S Convertible Opportunities Fund will be managed in order to best meet requests for redemptions and/or switches pursuant to the notice sent to shareholders. For more information, click here for the Prospectus or contact your relationship manager.

January 6, 2012 John P. Calamos, Sr. and Nick P. Calamos discuss the "risk-on, risk-off" markets of 2011 and their economic outlook for 2012. They consider the impact of volatility, government debt and reflation on the financial markets and speak to the opportunities they see in the equity markets.

November 8, 2011 We recognize that many of our clients may be concerned about potential exposure to MF Global Inc., a company registered jointly as a Securities and Exchange Commission registered broker-dealer and Commodity Futures Trading Commission registered futures commission merchant that has recently become subject to a proceeding filed by the Securities Investor Protection Corporation. As of October 31, 2011, Calamos had no exposure to MF Global, including in our funds or portfolios. If you have any questions regarding your Calamos portfolios, please contact us at 800.582.6959.

The notion of getting what one pays for is one of the defining aspects of consumer value, and the potential for creating added value for the investor lies at the heart of an active investing philosophy. But what does "active management" really mean – both in practice and in the bottom line? Active share may tell the tale.

In our decades of investment experience, we occasionally have seen unusual opportunities spring out from volatility. Right now, we believe growth is one of those. We’re seeing great growth companies at reasonable prices, and we believe the Calamos U.S. Growth Fund is well positioned for the changing global economy.

Nick P. Calamos speaks to upcoming end of QE2, the potential for QE3 and his outlook for commodities.

Nick P. Calamos discusses inflationary concerns and the health of the global economy.

Nick P. Calamos shares his perspectives on growth investing as one of the featured panelists on P&I’s Web Seminar. Please click here to view the entire panel discussion.

John P. Calamos, Sr. shares his perspective on opportunities in a slow-growth economic environment.

John P. Calamos, Sr. encourages investors to maintain a long-term, global perspective.

John P. Calamos, Sr., discusses the current opportunity for growth investors, particularly in the technology sector and global markets.

Nick Calamos comments on the potential for a "double dip" in the economy. Also included: additional video commentary from Nick taped after appearance.

John P. Calamos, Sr., discusses the firm's succession planning, and the central role of teamwork within the Calamos investment process.

John P. Calamos, Sr., discusses risk management as a cornerstone of the Calamos approach. He also explains how the investment team seeks to manage risk in our "defensive equity" strategies.