MarketWatch.com unveiled its new iPhone application yesterday, featuring real-time headlines and news bulletins, real-time data, audio and social media features to serve the site’s core audience of engaged investors. The free application is currently available via the Apple App Store. We are thrilled to announce that our ReadSpeaker podCaster application powers the text-to-speech function for the Top Stories section which allows users to listen to articles directly from the iPhone. MarketWatch.com is part of The Wall Street Journal Digital Network, which includes WSJ.com, Barrons.com and AllThingsD.com. You can download the MarketWatch iPhone app here.