New Delhi, Aug. 22 -- The Indian stock market endured a volatile week, caught between rising energy prices, turmoil in global bond markets and persistent geopolitical uncertainty. The Nifty 50 extended its decline through Wednesday, completing a seven-session losing streak-its longest in about 11 months-and shedding roughly 2.1% over that stretch as investors reduced risk exposure amid higher crude prices and rising global borrowing costs.

Relief arrived on Thursday. The Nifty 50 index rebounded 0.64% to close at 24,231.85, snapping the seven-day slide after the US Treasury announced plans to double purchases under its long-dated debt-buyback programme to at least $4 billion per operation. The announcement initially pushed Treasury yield...