As Doug Kass says, there are so many possible social, policy, political, geopolitical and market outcomes these days.

The brief rally in stocks was cut short Wednesday as stocks closed lower after the release of Fed minutes and as Nvidia's earnings were in focus after the bell.

Stocks opened higher Wednesday but lost steam as the session wore on. All eyes today were on Nvidia (NVDA), with the chipmaker releasing its fiscal first-quarter results after the close. You can follow all the coverage in our Nvidia earnings live blog.