Zeebrugge Day-ahead traded up from an opening level of 19.20 p/th to 19.45 p/th in strong discussion before drifting back down to around 18.25-19.00 p/th towards the end of the session. Day-ahead basis was heard dealing lower than on Monday at 1.10 p/th. Traders reported fair volumes and pointed to an increase in speculative activity in the trading region, but said that while trading levels...