The blue-chip index rose 0.3%, with the British gambling group adding 1.5% even as a drop in total net gaming revenue for the first quarter outweighed a bump in online betting during coronavirus lockdowns.
Miners added 1%, providing the biggest boost to the index as they tracked higher metal prices.
The domestically focussed mid-cap FTSE 250 index also gained 0.3%, hitting a record high.
Among other stocks, home improvement retailer Kingfisher advanced 1.9% after Citigroup upgraded the stock to “neutral” from “sell”. Reporting by Devik Jain in Bengaluru; editing by Uttaresh.V