PremiumUS equity indices are finally starting to take note of the significant volatility that has lived under the surface for weeks.Goldman Sachs top derivatives trader, Brian Garrett, notes in his latest 'weekend prep' note that while some metrics of avg stock vol continue to register near the highs, other indicators on our dashboard are no longer ignoring what’s going on at the idiosyncratic level (look no further than SPX skew vs ATM implied)Earnings