A.M. Update

S&P futures are up +0.4% after reversing an earlier loss on -0.4%.  The turn in prices came after traders weighed a lackluster forecast from Nvidia against Snowflake’s 20% premarket surge, despite Russia launching an ICBM. Ukraine reported that Russia fired an intercontinental ballistic missile during an overnight attack, while a Kremlin spokesman called Kyiv’s earlier use of UK Storm Shadow…