At the interbank forex market, the local unit opened weak at 79.55 against the greenback and witnessed an intra-day high of 79.53 and a low of 79.66.It finally settled at 79.60 (provisional), down 15 paise over its previous close of 79.45.The dollar index, which measures the greenback's strength against a basket of six currencies, advanced 0.48 per cent to 108.54.
