The fraudulent and illegal practice of bidding up the price of securities in a fund's portfolio to inflate the its performance artificially right before the end of the quarter.
Related information about portfolio pumping:
- Portfolio Pumping Definition | Investopedia
 The illegal act of bidding up the value of a fund's holdings right before the end of   a quarter, when the fund's performance is measured. This is done by placing a ...
 
- Portfolio Pumping - Securities and Exchange Commission
 Oct 16, 2008 ... SEC Charges San Francisco Hedge Fund Adviser for "Portfolio Pumping". FOR   IMMEDIATE RELEASE 2008-251. Washington, D.C., Oct. 16, ...
 
- Portfolio Pumping - Financial Dictionary - The Free Dictionary
 The practice of a mutual fund attempting to appear to improve its performance   before it must report results to shareholders. For example, it may short sell losing ...
 
- Reports of “Portfolio Pumping” by Mutual Funds - Investment ...
 Jul 2, 2004 ... “portfolio pumping,” is the practice of increasing a fund's stake in portfolio   securities at the end of a financial period solely for the purpose of ...
 
- Hedge Fund Portfolio Pumping Scheme
 Feb 25, 2011 ... The Securities and Exchange Commission charged two securities professionals,   a hedge fund trader, and two firms involved in a scheme that ...
 
- The Intelligent Investor: How Hedge Funds Pump Up Year-End ...
 Dec 24, 2011 ... Finally, some managers may be "portfolio pumping. ... At mutual funds, portfolio   pumping—which a decade ago may have exceeded $2 billion ...
 
- What is PORTFOLIO PUMPING? - The Law Dictionary
 Definition of PORTFOLIO PUMPING: When managers buy extra stock to boost   prices higher. This is done at the quarter and end of the financial year. Refer to ...
 
- The Rise and Fall of Portfolio Pumping Among U.S. Mutual Funds
 Mar 14, 2011 ... once the SEC filed fraud charges alleging portfolio pumping against fund ... We   believe that portfolio pumping provides such a setting. Portfolio ...