NEW YORK, June 20, 2013 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) announced today that trading of PTC Therapeutics (Nasdaq:PTCT), a biopharmaceutical company focused on discovery, development, and commercialization of orally administered small-molecule drugs that regulate the rate and timing of protein production, commenced on The NASDAQ Stock Market on June 20, 2013. PTC Therapeutics targets their development programs for the post-transcriptional control processes which regulates the rate and timing of protein production and are extremely important to proper cellular function. PTC's pipeline addresses a variety of therapeutics areas including rare genetic disorders, oncology and infectious diseases. The company is headquartered in South Plainfield, New Jersey. "Since its inception, PTC Therapeutics has consistently been an innovative company committed to developing treatment for multiple rare disorders and diseases," said Nelson Griggs, Senior Vice President, NASDAQ OMX Corporate Client Group. "We are thrilled to welcome PTC Therapeutics to The NASDAQ Stock Market, and look forward to supporting them as a public company." Since its inception, NASDAQ OMX has consistently been the exchange of choice for progressive and cutting-edge health care companies like PTC Therapeutics. Year-to-date in 2013, NASDAQ has welcomed over 80% percent of the health care companies that have listed on U.S. markets. About NASDAQ OMX Group : The inventor of the electronic exchange, The NASDAQ OMX Group, Inc., fuels economies and provides transformative technologies for the entire lifecycle of a trade - from risk management to trade to surveillance to clearing. In the U.S. and Europe, we own and operate 26 markets including 3 clearinghouses and 5 central securities depositories supporting equities, options, fixed income, derivatives, commodities, futures and structured products. Able to process more than 1 million messages per second at sub-55 microsecond average speeds with 99.99% uptime, our technology drives more than 70 marketplaces in 50 developed and emerging countries into the future, powering 1 in 10 of the world's securities transactions. Our award-winning data products and worldwide indexes are the benchmarks in the financial industry. Home to approximately 3,300 listed companies worth $6 trillion in market cap whose innovations shape our world, we give the ideas of tomorrow access to capital today. Welcome to where the world takes a big leap forward, daily. Welcome to the NASDAQ OMX Century. To learn more, visit www.nasdaqomx.com. Follow us on Facebook ( http://www.facebook.com/NASDAQ) and Twitter ( http://www.twitter.com/nasdaqomx). (Symbol: NDAQ and member of S&P 500) The information contained above is provided for informational and educational purposes only, and nothing contained herein should be construed as investment advice, either on behalf of a particular security or an overall investment strategy. Neither The NASDAQ OMX Group, Inc. nor any of its affiliates makes any recommendation to buy or sell any security or any representation about the financial condition of any company. Statements regarding NASDAQ-listed companies are not guarantees of future performance. Actual results may differ materially from those expressed or implied. Past performance is not indicative of future results. Investors should undertake their own due diligence and carefully evaluate companies before investing. ADVICE FROM A SECURITIES PROFESSIONAL IS STRONGLY ADVISED.