Tue Oct 20 — S&P 500 +0.28% to 7,712.57 in an "everything rally" led by healthcare (+2.37%) and small caps (+1.65%), while the Nasdaq finishes flat as tech lags; Dow +1.02% on strong earnings; oil slides off five-month highs on fresh U.S.-Iran diplomacy hopes; pending home sales plunge to a 25-year low; Tesla and Meta report after the close on Wednesday.