Paola Chapdelaine for BI I was at the Nasdaq building when SpaceX went live on Friday morning. The record-breaking IPO brought together Musk fans, tourists, and some poised to win big. Here's everything I saw in a sweltering Times Square during the historic event. Astronaut costumes. No-shows. Soon-to-be very rich people. I spent Friday morning outside the Nasdaq's headquarters in Times Square, when SpaceX debuted on the exchange under the ticker SPCX. On Thursday night, the company was pri...