At the Reuters Health Summit expect exclusive interviews with Merck CEO Richard Clark, AstraZeneca CEO David Brennan and Tenet CEO Trevor Fetter.

Other highlights:

* Treasury Secretary Timothy Geithner begins a two-day official visit to Japan ahead of the Asia-Pacific Economic Cooperation finance ministers’ meeting in Singapore on Thursday.

* Diversified U.S. manufacturer Tyco International reports third-quarter results. Wall Street expects another drop in profit as the ongoing soft economy saps demand for industrial products.