Venture capital fundraising has picked up steam in the U.S., with cloud computing, mobile technology, and robotics getting solid backing. U.S. technology companies are looking at a strong investment climate with global investor confidence in U.S. companies up significantly for the third year in a row, according to the 2014 Global Venture Capital Confidence Survey released by consulting firm Deloitte & Touche and the National Venture Capital Association, a trade group for the U.S. venture capital industry.