Continuing with its losing streak, the rupee today fell by 5 paise in opening trade to 46.93 against the US dollar largely on fears of capital outflows by foreign funds.At the Interbank Foreign Exchange (Forex) market, the domestic unit traded 5 paise down at 46.93 a dollar. The rupee had ended 21 paise down at 46.88/89 against the dollarin the yesterday's session.