Nvidia[ticker symb=NVDA] and JPMorgan Chase (JPM) lead this weekend's watch list of five stocks near buy points entering a pivotal stretch for the S&P 500. Along with AI chip leader NVDA and banking behemoth JPM, the list includes enterprise data storage firm Pure Storage (PSTG), work supplies and uniform provider Cintas (CTAS) and homebuilder PulteGroup (PHM).X Nvidia is part of the IBD Leaderboard portfolio of elite stocks. The flagship IBD 50 list of leading growth stocks includes both NVDA and CTAS. Cin ...