Intel was the best-performing stock in the S&P 500 Friday. Getty Images Close Key Takeaways Could Intel be closer to scoring a deal with iPhone maker Apple? The chipmaker's shares surged Friday as an analyst added fuel to rumors that the iPhone maker could become a new customer for the chipmaker. Shares of Intel (INTC) popped over 10% during Friday's shortened trading session to lead gains on the S&P 500 and Nasdaq. (Read Investopedia's daily markets coverage here.) The likelihood of Apple (AAPL) becomin ...