This is what you need to know before the bell:
1. The U.S. government's review of the 2010 financial reform law will not be complete by June. The review is the first step of Trump's promise to overhaul the Dodd-Frank Wall Street Reform Act.
3. Toshiba (TOSYY) tells Western Digital (WDC - Get Report) to stop interfering in plans to sell its memory chip business. Toshiba has warned it may take legal action if Western Digital attempts to stop the sale.
4. German industrial production falls by less than expected in March. Data from Germany showed trade proved resilient, supporting robust growth expectations in the first quarter.
5. Saudi Arabia's Oil Minister is "confident" that OPEC's output limit will be extended. OPEC members are set to meet on May 25.