Charles Schwab's Ben Watson examines an S&P 500 (SPX) pushing toward the 7700 level, cautioning that while the trend remains bullish, the index looks overextended near key resistance. He also breaks down a divergence in energy, contrasting Occidental Petroleum's (OXY) uncertain breakout at $60.75 with Phillips 66's (PSX) stronger overall trend driven by its refining advantage.