Pump prices in Singapore rose for a third consecutive day this week as Shell again started a new round of price adjustments on Wednesday (March 18).In a price board update published at 1pm, Shell announced that it has raised its posted price for diesel by 7 cents — two days after it raised its posted prices for 95- and 98-octane, V-Power as well as diesel — also by 7 cents each. But Shell has held prices steady for its 95- and 98-octane petrol, and the premium V-Power in this latest round of price adjustments.Sinopec and SPC on Tuesday raised their respective pump prices, following price adjustments by a trio of fuel companies — Shell, Esso and Caltex — on Monday. Read more