In comparison, groups with exposure to troubled sectors such as automotive, capital goods, infrastructure, and metals and mining, were punished by equity investors.
Sunil Mittal-promoted Bharti group has been the biggest gainer among large business groups, followed by the Rahul Bajaj and Mukesh Ambani groups.
At the other end of the spectrum, Essel Group topped the list of losers, followed by Vedanta and Munjal (Hero) group.
Bharti has been the biggest winner in 2019 despite its flagship Bharti Airtel reporting record losses during the September quarter. The group gained as investors
reinstated faith in the Airtel stock, believed to be an industry survivor and seen gaining market share, especially in the high revenue post-paid segment.
Many investors appreciate Airtel having a diversified revenue base, with the Indian telecom business accounting for only half its consolidated revenues, unlike its peers.
Its m-cap has risen close to 88 per cent in CY19, making it the top-performing index stock. Together with its subsidiary Bharti Infratel, the group’s combined m-cap has risen 63 per cent this year to Rs 2.82 trillion, from Rs 1.73 trillion a year ago.
The Rahul Bajaj group comes next, with a 43 per cent jump in its combined m-cap during CY19. The group firms have a combined m-cap of Rs 5.35 trillion, up from Rs 3.74 trillion at the end of December 2018.
The group consolidated its position as the third largest business group in terms of m-cap, led by retail lender Bajaj Finance.
has risen 65 per cent in 2019 and ranks among the top 10 firms in terms of m-cap.
At its current stock price, the lender is valued at Rs 2.5 trillion, accounting for nearly half the group companies’ combined m-cap.
Mukesh Ambani group firms’ combined m-cap is up 37.5 per cent year-on-year, led by their flagship Reliance Industries. Its stock has gained 39 per cent this year. However, the group’s media entities — TV18 Broadcast and Network18 Media —saw a sharp decline in share prices even though their total m-cap is small.
Adani Group and the Tatas also gained in 2019. The former gained on account of a rally in Adani Transmission, Adani Gas, Adani Power, and Adani Enterprises. The group companies’ combined m-cap rose 25 per cent to Rs 1.97 trillion from Rs 1.57 trillion last year.
Tata group’s m-cap, on the other hand, rose 14 per cent to Rs 12 trillion, from Rs 10.5 trillion a year ago. Most of the gains were led by Tata Consultancy Services and Titan, which together account for 80 per cent of the group's combined m-cap, up from 75 per cent last year.
In comparison other key group entities such as Tata Power, Tata Steel, Indian Hotels, Tata Chemicals, and Tata Communication saw a decline in their m-cap, while Tata Motors was up 6.5 per cent during the year so far.