Here is what you need to know.The incident in which a van plowed into pedestrians near the Finsbury Park Mosque in North London on Sunday is being treated as a "terrorist attack," the police said. One man died and 10 others were injured.Brexit negotiations officially begin. David Davis, the UK's Brexit minister, on Monday is set to meet with the European Union's chief negotiator, Michel Barnier, in Brussels for the first day of what he described as "historic" talks to set Britain on the road to leaving the EU.Amazon is planning job cuts at Whole Foods. Bloomberg reported that the e-commerce giant was considering replacing cashiers with technology following its $13.7 billion acquisition of the organic-food grocer.Lockheed Martin is in the final stages of negotiating a deal worth more than $37 billion to sell a record 440 F-35 combat jets. The buyers are 11 nations including the US, two people familiar with the talks told Reuters.President Donald Trump meets with tech CEOs. Chief executives from companies including Amazon and Apple will convene at the White House on Monday to discuss how to cut government IT costs and waste.Reddit is looking for more money. According to Bloomberg, the website is looking to raise about $150 million and is aiming for a $1.7 billion valuation.Oil is under pressure. Prices fell early Monday before bouncing back, weighed down by a high supply despite an OPEC-led initiative to cut production in hopes of tightening the market. The front-month US West Texas Intermediate contract is up by 0.42% at $45.16 a barrel.French President Emmanuel Macron's party has won a clear parliamentary majority, results show, weeks after his presidential victory. The BBC reports that with nearly all votes counted, his La Rpublique en Marche, alongside its MoDem allies, won more than 300 seats in the 577-seat National Assembly.US stock futures are higher. S&P 500 futures are up by 7 points, or 0.3%. The 10-year yield is down by less than 1 basis point at 2.151%.Economic data is light on Monday. Later this week, existing- and new-home sales numbers cross, as do FHFA house prices.Join the conversation about this storyNOW WATCH: An economist explains the key issues that Trump needs to address to boost the economy Click here to read full news..