Stock market today: Gift Nifty hints a gap-down start; eight-day trading stocks to buy on Monday, 31 August

Indian stock market indices, the Sensex and the Nifty 50, are expected to open lower on 31 August due to weak global cues. Geopolitical tensions between the US and Iran may impact energy prices. Key macroeconomic events include India's GDP data and US non-farm payrolls this week.