The oil futures market has been volatile on news that a large container ship was blocking the Suez Canal, a key artery for petroleum shipments, but do spot markets give a better indication of the impacts on global trade flows? Why are producers remaining so focused on growth in Guyana, considering softer demand growth expectations? Jeff Mower, head of Americas oil news for S&P Global Platts, discusses the issues with Platts editors Starr Spencer and Chris van Moessner.