As reports about a possible merger between Elon Musk-led Tesla Inc. (NASDAQ:TSLA) and SpaceX surface, a post by the billionaire from last year has resurfaced, which seemingly teases possible mergers between Musk's enterprises. A ‘Convergence'In a post back in November last year, Musk responded to influencer Sawyer Merritt after the latter shared a post detailing former Morgan Stanley analyst Adam Jonas' views on possible collaborations between xAI and Tesla. "My companies are, surprisingly in some ways, trending towards convergence," Musk said in the post. Tesla's Q4 EarningsMeanwhile, Tesla held its fourth-quarter earnings call this week, which saw Musk announcing a push towards autonomous vehicles as Tesla discontinued the company's Model S and Model X vehicles. According to Benzinga Edge Rankings, Tesla scores well on the Momentum metric and offers a favorable price trend in the Long term.