Here's everything you need to know before the bell Thursday: 

  1. Banks including Wells Fargo (WFC - Get Report) and PNC (PNC - Get Report) are expected to be among the biggest winners of the tax plan, which passed both the Senate and the House.
  2. Earnings are expected from Nike (NKE - Get Report) , Paychex (PAYX - Get Report) , Conagra (CAG - Get Report) and more. 
  3. Apple (AAPL - Get Report) admitted to intentionally slowing down older iPhones to prevent unexpected shutdowns. 
  4. U.S. stock futures and European shares traded mixed.

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