S&P 500 Gains as Big Tech Stocks Deliver Mixed Returns

The direction the S&P 500 (Index: SPX ) takes is shaping up a lot like a playing a game that has a 50% chance of winning or a 50% chance of losing. Investors saw that game play out during the past week as several of the Big Tech companies that dominate the index reported their earnings and updated their outlooks. For example, the world's biggest company, Apple (NASDAQ: AAPL ) briefly touched a $5…