Buy or sell stocks, Sept. 1 -- The key benchmark indices of the Indian stock market extended their losing streak for the third consecutive session, ending the week with a cumulative loss of over 1.5% as investor sentiment remained risk-averse amid ongoing concerns around the broader implications of recently imposed US tariffs. The Nifty 50 index opened flat and traded in a narrow band through the session. However, a sharp sell-off in the final hour of trade dragged the index lower, closing near the day's low at 24,426.85 - down 74 points or 0.3%. On the currency front, the Indian rupee continued its downward trajectory, hitting a fresh all-time low of 88.31 against the US dollar. It settled marginally higher at 88.20 versus the previous c...