(Reuters) - It's a big week for central banks, with policymakers in the United States, Japan and Britain all due to reconsider lending rates and markets on edge over more earnings from U.S. tech giants.

In Venezuela, voters head to the polls to elect a president.

Here's your look at what's happening in markets in the coming week, from Kevin Buckland in Tokyo, Ira Iosebashvili and Rodrigo Campos in New York and Amanda Cooper in London.

1/SEPTEMBER QUESTION

The steep selloff in markets in recent days is shining a spotlight on the Federal Reserve, which concludes its July monetary policy meeting on Wednesday.