Which global equity market mostly impact on sensex and nifty

How to start sensex and nifty in days movement which is decide up or down market

To start with one can see closing of American market indices( Dow Jones and Nasdaq) and the current trend in Asian markets( Japan- Nikkei, Hong kong- Hangseng, China- SSE composite). Prices of crude and gold also should be considered as they are the primary sources for our current account deficit.

Due importance should also be given to currencies.