Mumbai, Aug. 21 -- The Indian rupee is likely to stay cautiously lower in opening trades on Thursday tracking dollar strength overseas. Rupee pared initial losses and settled on a higher note at 87.07 against the US dollar on Wednesday, up by 6 paise on the back of a rise in risk appetite in global markets. INR is hovering around a three-week high amid easing tensions over trade tariffs and hopes of peace between Russia and Ukraine. Moreover, the proposed GST reforms and a recent credit rating upgrade by a foreign agency have bolstered confidence in the Indian economy. Meanwhile, benchmark indexes Sensex and Nifty rose around 0.3 percent each on Wednesday to extend gains for a fifth day running, with underlying sentiment supported by the ...