<TABLE>
<CAPTION>
EXHIBIT 77(O) MORGAN STANLEY DEAN WITTER MARKET LEADER TRUST
10f-3 transactions for the period April 1, 2000- June 30, 2000
<S> <C> <C> <C> <C> <C> <C> <C>
TOTAL
ISSUED/
DATE PRICE SHARES % of PRINCIPAL PURCHASED
SECURITY PURCHASED SHARE PURCHASED Assets AMOUNT BY FUND BROKER(S)
China Unicom 06/16/00 $ 19.99 47,800 0.180% $ 4,195,540,000.00 0.019% JP Morgan
Genuity Inc. 06/28/00 $ 11.00 100,000 0.210% $ 1,913,043,000.00 0.058% Salomon Brothers
Sina.com 04/12/00 $ 17.00 19,400 0.074% $ 68,000,000.00 0.485% Raymond James
Stratos Lightwave Inc. 06/30/00 $ 21.00 23,750 0.011% $ 183,750,000.00 0.271% Lehman Brothers
</TABLE>