ICL posted a 33% increase in profit for the fourth quarter of 2010 helped by robust demand for brominated flame retardants, the Israeli fertiliser and speciality chemical producer said.Operating profit rose to $339.1m. compared with $254.2m. in the same period of 2009, while sales increased 16% to $1.42bn.The company extracts potash, bromine and magnesium chloride from the Dead Sea...