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Here are 10 things you should know for Thursday, June 9:
1. -- U.S. stock futures were trading lower Thursday and European shares fell back as mining stocks slipped.
In a speech, European Central Bank President Mario Draghi urged governments to do what it takes to spur the eurozone economy after years of weak growth risked causing permanent damage.
Asian shares ended the session lower. Japan's Nikkei 225 declined 0.97%.
Oil prices in the U.S. dipped 0.4% but remained above $51 a barrel.
2. -- The economic calendar in the U.S. Thursday includes weekly Initial Jobless Claims at 8:30 a.m. EDT, and Wholesale Inventories for April at 10 a.m.
The Dow Jones Industrial Average added 0.37% to close about 18,000, while the Nasdaq rose 0.26%.
4. -- George Soros has returned to trading after a long hiatus, lured by opportunities to profit from what he sees as coming economic troubles, The Wall Street Journal reported.
The billionaire hedge-fund founder and philanthropist recently directed a series of big, bearish investments, the Journal reported, citing people close to the matter.
Soros Fund Management, which manages $30 billion for Soros and his family, sold stocks and bought gold and shares of gold miners, anticipating weakness in various markets. of turmoil.
The moves are a significant shift for Soros, who in recent years has focused on public policy and philanthropy. He is also a large contributor to the super PAC backing presumptive Democratic nominee Hillary Clinton and has donated to other groups supporting Democrats, the Journal noted.
It's also encouraging app-makers to sell more apps on a subscription basis, by promising them a bigger cut of revenue when consumers maintain their subscriptions for at least a year.
Apple is hoping the changes starting this summer will bring in more money for itself as well as for independent software developers who make apps for the iPhone or iPad.
Consumers spent more than $20 billion in the App Store last year, but with more than 1.5 million apps available, developers said it's getting more difficult to compete for attention.
Apple said Wednesday that the new ads could help app-makers get more visibility for their products. The company also said it will improve the search tool that helps users find new apps, while promising that wealthy advertisers won't be able to dominate the results.
6. -- The U.S. Department of Justice asked the Supreme Court to overturn an appeals court ruling that had favored Apple over Samsung Electronics in smartphone patent litigation, and asked that it return the case to the trial court for more litigation, Reuters reported.
Samsung had appealed a federal appeals court ruling to the Supreme Court, which agreed to hear the case. The Justice Department submitted its view in a brief on Wednesday.
An Apple spokeswoman declined to comment, while Samsung told Reuters in a statement it welcomes "overwhelming support" for overturning the appeals court ruling in favor of Apple from various parties including the U.S. government.
The world's top smartphone makers have been feuding over patents since 2011, when Apple sued Samsung in Northern California alleging infringement of the iPhone's patents, designs and trademarked appearance, Reuters noted.
7. -- Envision Healthcare (EVHC) is in talks to merge with AmSurg (AMSG) , a deal that would bring together two big providers of physician and other health-care services with a combined value of more than $9 billion, the Journal reported.
The companies are in advanced discussions, and a deal could be announced as early as next week, the Journal reported, citing people familiar with the matter. It wasn't clear how the deal would be structured.
Envision had a market capitalization of $4.8 billion Wednesday afternoon, while AmSurg was valued at $4.3 billion.
8. -- Amazon.com (AMZN - Get Report) said its Amazon Fresh food delivery business will now be available to users of its Prime membership plan in central and east London, the first time the service has been offered outside the U.S.
"We are launching with a comprehensive offer in a limited area and will take our time to hone and improve our service based on our learnings and feedback from our customers," Ajay Kavan, vice president of Amazon Fresh, told Bloomberg. "We will be very methodical and considered in how we roll this service out further in the U.K."
The company said it expects to incur total pretax charges of about $175 million to $225 million under the program.
Boston Scientific said it expects "some employee attrition and targeted headcount reductions" under the restructuring, but anticipates that its overall employee base will remain relatively unchanged.