Apple sold three million of its new iPads over the weekend, marking the strongest launch for the device and creating considerable momentum as the company attempts to grab market share in the fast-growing mobile market.

The new iPad, which starts at $499, is an important catalyst for Apple's growth. Apple investors pushed the company’s shares to all-time-highs as the latest version of the iPad was first being announced, and then again as it was being released. Apple itself also has said it expects the tablet market to eclipse PCs.

Apple has sold more than 58 million iPads since launching the device about two years ago, and is available in the U.S., Australia, Canada, France, Germany, Hong Kong, Japan, Puerto Rico, Singapore, Switzerland, the U.K. and the U.S. Virgin Islands. It will be rolled out to 24 more countries today.