It was a busy day for the markets with seven companies starting to trade today on US exchanges after their IPOs. Most of them had a decent first day, like oil pipeline company QEP Midstream Partners, which saw its stock rise by almost 11% on its opening. But by far the star of the day was Cvent, a cloud-based event management platform (think Evite for businesses), which shot up by more than 280% in its debut....MORE
