2015. The company also announced its partnership with Verifone, wherein merchants using integrated point-of-sale systems that process payments will have a security option when using terminals made by VeriFone Systems Inc. In 2015, Samsung announced its Samsung Pay mobile system in conjunction with First Data. Samsung Pay uses NFC to make payments at POS systems that accept First Data's technology. In February 2015, First Data reported its first profitable quarter in 29 quarters since its 2007 privatization. In July 2015, First Data acquired Transaction Wireless, a provider of gift card solutions. In September that year, First Data Corporation acquired Spree Commerce, an open source e-commerce platform. Details of the transaction were not disclosed. In the biggest U.S. IPO of 2015 according to Bloomberg, First Data planned to seek a minimum of $2.5 billion, even up to $3.2 billion (according to Bloomberg) or $3.7 billion (according to the Wall Street Journal). In October that year, First Data sold 160 million shares for $16 apiece, after offering them for $18 and $20. It raised $2.56 billion. According to Bloomberg: "lowering First Data's debt level will be an important step for the company because it will free up money to invest in the business". 2016 and 2017 First Data and Alipay announced a partnership in October 2016 to bring Alipay's mobile payment processing to the United States. Later in 2017, First Data and Alipay announced the implementation of the "point-of-sale" technology, and that Clover would be the first point-of-sale to accept the mobile payment method. In 2017 First Data announced the launch of their Integrated Solutions Group (ISG), with Edward Jackson to lead the new business segment. Later that February, First Data announced its first ISG partner, ShopKeep, a technology company that allows an iPad to be used as a cash register. In March 2017 First Data announced the acquisition of Acculynk, an ecommerce technology company focused on debit payments. In May 2017 First Data announced their Global PFAC product, which provided payment facilitators with access to a single integration interface. On May 29, 2017 First Data announced its plans to acquire CardConnect, a provider of payment processing which processed approximately $26 billion of volume annually, for $750 million. In June 2017, First Data launched Fraud Detect, which uses artificial intelligence and machine learning, fraud scoring, cybersecurity intelligence, and information from the "Dark Web" to identify potentially fraudulent transactions. On October 20, 2017,