New Delhi, July 25 -- Shares of U.S. publisher McGraw Hill, which debuted on the New York Stock Exchange on Thursday, continued to remain flat during Friday's session, trading at $17 each, the same as the IPO price. The stock ended its debut day at $17 after fluctuating widely.

The global education company, backed by investment firm Platinum Equity, had raised $414.63 million in its initial public offering in the United States. The company sold 24,390,000 shares, priced at $17 each, below its marketed range of $19 to $22, which valued McGraw at $3.25 billion.

The company's entry into U.S. markets came after it was taken private by Apollo. The private equity giant had also attempted to relist the company in 2015. It was then sold to Plat...