The market has been struggling for nearly two months, with major losses following Tuesday's presidential election. Even leading stocks are struggling. The elite IBD 50 sold off 2.8% last week, while long-time champions such as Apple (AAPL) have broken down. But many top-rated stocks have survived, or thrived, in the current environment. The top 5 IBD 50 technology companies that are holding above their 50-day moving average: 3D Systems (DDD),