June 26 : Shares of SpaceX rose a marginal 0.15 per cent on Friday ahead of its inclusion in Russell indexes, with passively managed funds tracking those benchmarks required to add billions of dollars' worth of Elon Musk's internet and rocket company to their holdings. Traders exchanged about $19 billion worth of SpaceX shares, with almost half of that turnover in the final minutes of the session. After a blockbuster initial public offering this month, SpaceX's stock has been on a wild ride,