A.M. Update

S&P futures are up +0.1%. Futures tied to the Dow industrials are -0.3% lower, clipped by an earnings-related decline in UnitedHealth (UNH) ahead of the open. Bank of America (BAC) and US Bancorp (USB) are lower after their results, while Taiwan Semiconductor Manufacturing (TSM) and Target (TGT) hold pre-open gains after reporting solid results. Retail…