Here are five things you must know for Thursday, Sept. 14:

1. -- U.S. stock futures were lower, suggesting Wall Street would take a pause on Thursday, Sept. 14, following two record-setting days in a row.
 
The Dow Jones Industrial Average gained 0.18% to close at 22,158 on Wednesday, Sept. 13. The S&P 500 added 0.08%, and the Nasdaq gained 0.09%.

European stocks traded mixed on Thursday while shares in London posted slight gains after the Bank of England decided to hold interest rates at present levels and made changes to its quantitative easing program.

The economic calendar in the U.S. for Thursday includes the Consumer Price Index for August at 8:30 a.m. ET and weekly Jobless Claims at 8:30 a.m.
 
Earnings reports are expected Thursday from Oracle Corp. ( ORCL) .
 
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2. -- Donald Trump blocked a Chinese-backed private-equity firm from acquiring U.S. chipmaker Lattice Semiconductor Corp. ( LSCC) .
 
Lattice Semiconductor shares rose 0.9% in premarket trading on Thursday.
 
Trump, on Wednesday, Sept. 13, issued an order blocking Canyon Bridge Capital Partners LLP's $1.3 billion plan to acquire Lattice Semiconductor. 

Canyon Bridge is a private-equity fund backed by China Venture Capital Fund Corp. Ltd., a Chinese corporation owned by Chinese state-owned entities that manages industrial investments and venture capital.

Trump's decision follows the recommendation of the Committee on Foreign Investment in the U.S.

The planned acquisition of Lattice Semiconductor was one of the largest attempted by a Chinese-backed firm in the U.S. microchip sector, according to Reuters.

The White House said the national-security risk posed by the transaction includes "the potential transfer of intellectual property to the foreign acquirer, the Chinese government's role in supporting this transaction, the importance of semiconductor supply chain integrity to the United States Government, and the use of Lattice products by the United States Government."

3. -- Tesla Inc.  (TSLA)  plans to unveil its "unreal" semi-trailer truck in late October, CEO Elon Musk said.

Musk tweeted late Wednesday night that the much-anticipated truck may be unveiled and test driven on Oct. 26 in Hawthorne, California.

"Worth seeing this beast in person. It's unreal," Musk tweeted.

He had previously said the semi truck would be revealed in September.

The stock rose slightly in premarket trading on Thursday.

4. -- Sen. Al Franken has pressed Apple Inc. (AAPL)  to detail the privacy and security safeguards it has in place for biometric data following the release on Tuesday, Sept. 12, of the new iPhone X, which can be unlocked using facial recognition.

Franken's concern is that Apple could use the so-called faceprints it collects through its new unlocking system, called Face ID, "to benefit other sectors of its business, sell it to third parties for surveillance purposes, or receive law enforcement requests to access it facial recognition system -- eventual uses that may not be contemplated by Apple customers," Franken said to Apple in a letter on Wednesday, Recode reported.

Apple already has addressed some of these early fears, Recode noted. As he debuted the device, for example, Phil Schiller, the company's senior vice president of marketing, said facial-recognition data would be stored on individual iPhones, not sent to some cloud server operated by Apple.

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5. -- Shares of Tenet Healthcare Corp. ( THC) were up almost 11% in premarket trading on Thursday after a report said the Dallas-based healthcare services company was exploring options related to its future, including the possible sale of the company.

Tenet announced last month that it would replace Chairman and CEO Trevor Fetter as director and CEO amid pressure from Glenview Capital Management, an activist investor who owns a 17.8% stake in the company.

 
Tenet, one of the largest hospital companies in the U.S., has hired banking advisers to consider a number of possibilities, The Wall Street Journal reported. The process was still in an early phase, and there was no guarantee a deal would come about, according to the Journal.
 
Updated to include Bank of England's decision on interest rates.
 

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