As the S&P 500 (SPX) hits a record high, Charles Schwab's Joe Mazzola believes there's room for a higher run. A surge in call options activity, backed by strength in key sectors, serve as key arguments to Joe's bullish thesis. He notes a hot PCE print later this week will become a roadblock should it manifest. Michelle Gibley says semiconductor stocks remain in a cyclical trend not just in the U.S., but also overseas in economies like Taiwan and South Korea. Those countries also face similar concerns as the U.S., particularly in rising inflation.