Other payments companies also gained, with Germany's Wirecard AG and France's Worldline SA climbing as much as 5.3 per cent and 4.4 per cent respectively.
Worldpay processes millions of payments daily in stores, online and on cellphones, predominantly across the United Kingdom and the U.S. As of Monday evening-before the approach was disclosed-it had a market value of GBP6.39 billion ($8.24 billion).
"There can be no certainty either than an offer will be made nor as to the terms of any offer, if made". A spokesperson for Vantiv wasn't immediately available for comment.
Shares in Worldpay (LON:WPG) have jumped more than 14 percent in London this morning, as the company confirmed that it had received takeover approaches.
Payments businesses have recently been popular acquisition targets. JP Morgan declined to comment. Banks and payment companies are racing to retool their offerings as customers increasingly turn to card and mobile devices to pay for goods.
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Djokovic has now won 19 consecutive matches against French players and 56 of 57 dating back to the 2010 Davis Cup final. Djokovic told Eurosport: "First of all, he's my very good friend..." "Obviously in the first set he served very good".
Danish card payment services firm Nets A/S also said over the weekend it had been approached by potential buyers.
Since then, the company has invested over £1bn in its business and has acquired several payment businesses and financial technology companies.
Worldpay processes millions of mobile, online and in-store transactions daily. In 2015 J.P. Morgan announced an overhaul of its Chase Pay product to better compete with the likes of PayPal Holdings Inc.
If it were finalized, a deal involving Vantiv would expand the Cincinnati-based company's geographic footprint.
The Tuesday announcement sent Worldpay shares up 12% in London during midmorning trading.
RBS sold a majority stake in Worldpay to Bain Capital and Advent International in 2010 to comply with European state aid rules after receiving a £45.5 billion bailout from the United Kingdom government during the financial crisis.