On Monday, August 22, India's stock market showed negative performance amid retreating oil prices and rising concerns about global economic growth.Notably, data on the country's foreign exchange reserves came out on Friday, which increased by USD 365.75 bn to USD 368.82 bn over the week.By the close, Nifty 50 eased 0.44% to 629.15 8, while the BSE Sensex 30 ticked down 0.33% to 27,985.54.Nifty 50 gainers were Hindustan Unilever, Bharat Heavy Electricals and ITC (up over 1.2%), while the day’s top laggards were Grasom Industries, Ambuja Cements, (off more than 2.3%).As regards BSE Sensex 30 components, Hindustan Unilever and ITC led the advancers, while Hindustan Unilever and ITC saw record losses, dropping 2.02% and 1.92%, respectively.Meanwhile, in the currency market, the USD/INR pair firmed 0.08% to 67.186, and the EUR / INR retreated 0.18% to 75.88, while the 10-year government bond yield rose 0.80% to 7.159%.India's largest energy company NTPC lost 1.92% as quarterly earnings increased 4% to INR 23.7 bn, missing expectations.Airlines were well bid as passenger traffic extended 26%. Thus, Jet Airways gained 1.04%, while SpiceJet rose 0.9%.Claris Lifesciences slipped 2% despite having reported a14.3% increase in quarterly earnings. India's Oberoi Realty soared 5.85% after quarterly revenues amounted to INR 108.9 crore, up from 81.9 crore a year earlier. From a technical point of view, the BSE Sensex 30 is trading within an ascending wedge. Stochastic lines are buy-friendly, so the index is expected to trade within this pattern for the time being.