BulkersHarry Vafias shipowning venture C3is positive on market with ‘a plethora of risks and opportunities’Bulker and tanker owner’s TCE figures jump 185% in second quarterC3is non-executive chairman Harry Vafias at TradeWinds Shipowners Forum at Posidonia in June.Photo: TradeWinds EventsGary DixonTradeWinds correspondentLondon