New Delhi, March 12 -- Indian rupee on Tuesday turned positive for 2019 against US dollar as foreign investors continued to buy in equities and debt ahead of general elections. At 9.15 am, the rupee was trading at 69.71 a dollar, up 0.24% from its previous close of 69.89. The home currency opened at 69.75 a dollar and touched a high of 69.69....