From her bedroom in Miami, Daniella Rodriguez watched SpaceX hit the stock market Friday and blast off. Rodriguez, 23, had a stake in the game: She was allocated one share of SpaceX ahead of its blockbuster initial public offering and she was waiting for the right moment to sell. Seventeen minutes after trading began, Rodriguez made the call. “I love to be a part of something that’s historical in the stock market,” she told NBC News. “If you can cop $1 while you’re at it, why not?” The SpaceX