It has been a quiet start to a busy week in the foreign exchange market with volatility focused on what we’ll dub as wild Wednesday. The day kicks off with the UK’s labor report followed by Janet Yellen’s semiannual testimony to Congress and the Bank of Canada’s monetary policy announcement. Later that day the Fed releases its Beige Book report and in the evening (NY Time), China shares its June trade numbers. With that in mind, trading tomorrow will be dominated by pre-positioning for these big…