Oil prices have decreased in Asian trades, on Friday, due to mixed demand signals from the US and China, the two world biggest oil consumers. The Brent crudes in June fell USD 0.48 to reach USD 104.2 barrel, whereas the US light crude was also down to USD 0.26, reaching USD 96.13 per barrel. The fall of the crude prices came after the US issued an economic statement concerning the boost of the economy, while doubts persisted on economic growth in China