The S&P 500 will close above $765 on August 19. The SPDR S&P 500 ETF (SPY) enters the session after closing at $767.45 on August 18, down $5.22 or 0.68%, and the S&P 500 index fell 53.3 points to 7,691.76 on August 18. A close above $765 will signal resilience against the 30-year US Treasury yield…