NextGen Healthcare (NASDAQ: NXGN) will soon cease to exist as a publicly traded stock, and the market said farewell by bidding up its price. As of early Friday morning, week to date NextGen's soon-to-vanish shares were up 22% in value, per data compiled by S&P Global Market Intelligence. The buyer is private equity firm Thoma Bravo, which is paying $23.95 per share for its asset-to-be in a deal valued at $1.6 billion.