Jan 30 : Shares of Tesla jumped nearly 5 per cent on Friday after reports that SpaceX was in deal talks with Elon Musk's other companies stoked investor hopes that the billionaire's tech empire could be unified further. SpaceX is in discussions to merge with Musk's AI startup, xAI, ahead of a blockbuster public offering planned for this year, Reuters reported on Thursday. Separately, Bloomberg News reported that SpaceX is considering a merger with Tesla. While Musk's companies are already