This is what you need to know before the bell:

1. France goes to the polls Sunday in an election that could decide the fate of the European Union and which is proving as unpredictable as it is important.

2.Visa (V)  reported profit higher than analysts' estimates amid accelerating payment growth and the integration of a former European subsidiary it repurchased.

3. Earnings are expected Friday from General Electric (GE) , Honeywell International (HON) and Schlumberger (SLB)

4. Samsung's (SSNLF)  newest smartphone, the Galaxy S8, goes on sale in the U.S. on Friday and investors are hoping sales of the phone will make up for the company's disastrous recall last year of the Galaxy Note 7 smartphone, which was known to overheat or catch fire.

5. Tesla (TSLA)  CEO Elon Musk said his latest company, Neuralink, is working to link the human brain with a machine interface by creating micron-sized devices

READ MORE: 5 Things You Must Know Before the Market Opens Friday

This article was written by a staff member of TheStreet.

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