With a YTD gain of almost 27%, General Motors (GM) is among the top 50 gainers in the S&P 500 Index ($SPX), and is outperforming rival automaker Ford (F), which is barely flat for the year. What’s the forecast for GM stock and is the Detroit “Big Three” icon headed towards $100? We’ll discuss in this article. To start, let’s look at GM’s financial performance this year, which has been a key driver of its YTD outperformance. GM Reported Better-Than-Expected Earnings in Q1In Q1, GM reported revenues of $43.01 billion – up 7.6% YoY, and comfortably ahead of the $41.92 billion that analysts expect…