Indian stock markets are likely to open\u00a0marginally higher on Friday on the back of Q3 earnings optimism\u00a0after Sensex and Nifty\u00a0finishing at their lifetime peaks in yesterday's trade. The early indicator of NSE Nifty, SGX Nifty Futures was trading little changed, up 0.11% at\u00a010,823\u00a0at the Singapore Stock Exchange. Though, markets may witness heavy volatility in today's session as a pack of blue-chip companies are scheduled with their third-quarter earnings report card including HDFC Bank, Reliance Industries, ITC, Kotak Mahindra Bank, and Wipro. Other major companies which are also lined up with their Q3\u00a0results are CDSL, GNA Axles, HDFC Standard Life Insurance, ICICI Prudential Life Insurance, IDFC Bank, Jubilant Foodworks, Kansai Nerolac Paints, Atul, NIIT Technologies, PC Jeweller and Tata Elxsi. These shares will be in focus today HCL Technologies:\u00a0HCL Technologies reported a marginal rise in quarterly profit on Friday, but missed estimates, hurt by higher expenses, Reuters reported. HCL Technologies posted a net profit rose of Rs 2,075 crore for the quarter ended 31 December 2017 from Rs 2,062 crore in the same period a year earlier. Bharti Airtel:\u00a0Telecom major Bharti Airtel on Thursday reported a consolidated\u00a0net profit fall of 39% at Rs 305 crore for the December quarter,\u00a0in wake of domestic termination rate reduction and Africa and Bangladesh divested operating units. Bharti Airtel said in a \u00a0regulatory filing.\u00a0The consolidated revenues for Q3 de-grew at Rs\u00a020,319\u00a0crore, a decline of\u00a08.4%\u00a0on year.\u00a0The cut in mobile call connection charges from 14 paise to six paise during the quarter added to the financial woes of the telecom giant. "Regulatory fiat in the form of a cut in domestic IUC (Interconnection Usage Charges) rates have exacerbated the industry ARPU (Average Revenue Per User) decline in Q3'18," Gopal Vittal, MD and CEO, India and South Asia, Bharti Airtel said in a statement. Still, Bharti Airtel's India revenue, which accounts for over 75%\u00a0of the total business, declined by 15%\u00a0to Rs 15,294 crore in the period under review from Rs 18,012.6 crore.The average revenue per user (ARPU) of Bharti Airtel in India declined by 28.6% to Rs 123 in the quarter from Rs 172 in the year-ago period. Adani Ports:\u00a0Adani Ports and Special Economic Zone Ltd reported a 19.51%\u00a0jump in its consolidated profit at Rs 1,001 crore for the third\u00a0quarter ended 31 December 2017. Adani Enterprises:\u00a0Adani Enterprises reported 3.11% increase in consolidated net profit to Rs 350.55 crore for the third quarter ended December 2017-18. Tech Mahindra:\u00a0IT company Tech Mahindra announced it will acquire 17.5% stake in US-based telecom software development company Altiostar Networks for USD 15 million in a cash deal. The\u00a0Indian rupee\u00a0on Thursday:\u00a0The\u00a0Indian rupee\u00a0gave up intraday session gains on Thursday but still ended up against the US dollar on Thursday, rising by 3 paise.\u00a0The rupee got appreciated by 3 paise to end at 63.86 apiece US dollar at the interbank foreign exchange market on Thursday. During the day, the domestic currency advanced\u00a0as much as by 14 paise to the day\u2019s high at\u00a063.75 against the US\u00a0dollar on Thursday.\u00a0The Reserve Bank of India today\u00a0fixed the reference rate of the rupee at 63.8431 against the US dollar. Indian stock markets on Thursday\u00a0 Indian stock markets continued the record-breaking run on Thursday with Sensex and Nifty settling at fresh closing highs on reports that government is considering raising\u00a0FDI limit in banks.\u00a0BSE Sensex\u00a0ended at a record high of 35,260.29 rising by 178.47 points or\u00a00.51% higher while NSE Nifty surged\u00a028.45 points or\u00a00.26% to finish at a fresh peak of 10,817. Shares of ITC, HDFC Bank, HDFC, M&M, Kotak\u00a0Mahindra\u00a0Bank, IndusInd Bank, ICICI Bank and TCS emerged as the notable gainers on Thursday, rising up to 2.7%. In the intraday trades, stock markets traded higher up until 2:00 pm, but soon in the afternoon session,\u00a0select large-cap and most mid-cap stocks\u00a0fell into negative territory limiting the rise in the headline indices. Among the broader market indices of NSE, Nifty Next 50 shed\u00a01.33% to end at\u00a030,931.85 following a sell-off in heavyweight shares of companies such as DLF, SAIL, Hindustan Zinc, PNB, Shree Cements, Shriram Transport Finance, Idea Cellular, Britannia, BHEL, Oil India, Titan and Ashok Leyland.\u00a0During the day,\u00a0Sensex amassed as much as 425.54 points to hit a lifetime high of 35,507.36 while Nifty advanced as many as 98.95 points to hit a record high of 10,887.5. US stock markets on Thursday\u00a0 Wall Street fell on Thursday as losses in industrials and interest-rate sensitive sectors offset marginal gains in tech stocks, Reuters said in a report. The Dow Jones Industrial Average fell 97.84 points, or 0.37 percent, to 26,017.81, the S&P 500 lost 4.53 points, or 0.16 percent, to 2,798.03 and the Nasdaq Composite dropped 2.23 points, or 0.03 percent, to 7,296.05.