LONDON (Reuters) - The Financial Times has reached a milestone of a million paying readers, it said on Monday, with revenues and profits continuing to rise since the London-based business publication was acquired by Japan's Nikkei from Pearson in 2015.The FT was one of the first newspapers to introduce a paywall, in 2002, charging online readers for news they had come to expect for free on the internet in a trend that challenged the business model of printed news media.The New York Times..