A.M. Update

S&P futures are near unchanged, giving up about a half-percent pre-market gain as the Q1 earnings reporting season begins in earnest. JPMorgan Chase (JPM -3%) is continuing that rough patch after missing EPS estimates, while BlackRock (BLK +0.1%) and First Republic Bank (FRC+0.6%) are up modestly in pre-market action after beating EPS estimates. On the economy, JPMorgan CEO…