NEW YORK (TheStreet) -- Here are 10 things you should know for Wednesday, Sept. 30:

1. -- U.S. stock futures were higher Wednesday ahead of jobs data and as Federal Reserve Chair Janet Yellen is scheduled to give opening remarks to a community banking conference in St. Louis.

Meanwhile, New York Fed President William Dudley will discuss market liquidity at an event in New York at 8:30 a.m. EDT.

Investors will be paying close attention to the Fed speakers for clues on the timing of any interest rate increases.

European stocks followed Asian indices higher on Wednesday, with several mainland benchmarks extending gains after weak eurozone inflation data spurred hopes that the European Central Bank will expand a program of government bond buying.

2. -- The economic calendar in the U.S. on Wednesday includes the ADP National Employment Report for September at 8:15 a.m., and Chicago PMI for September at 9:45 a.m.

3. -- U.S. stocks on Tuesday ended mixed as general unease heading into Friday's highly anticipated jobs number kept investors on the sidelines in choppy trading.

The S&P 500 rose 0.11%, the Dow Jones Industrial Average added 0.28%, and the Nasdaq slid 0.59%.  

-- Tesla's (TSLA) - Get ReportModel X SUV was officially unveiled Tuesday night near the company's California factory. SUVs were delivered to the first six buyers.

CEO Elon Musk said the Model X sets a new bar for automotive engineering, with unique features like rear falcon-wing doors, which open upward, and a driver's door that opens on approach and closes itself when the driver is inside.

"All these things together make the car amazing," he said.

The Model X is the third vehicle from Tesla, after the Roadster -- which was discontinued in 2012 -- and the Model S sedan. 

Tesla said the Model X is on sale now but it already has received 25,000 orders for the SUV.

5. -- Twitter (TWTR) - Get Report  is building a new product that will allow users to share tweets that are longer than the company's 140-character limit, Re/code reported, citing multiple people familiar with the company's plans.

It's unclear what the product will look like, but sources said it would enable Twitter users to publish long-form content to the service.

The 140-character limit has been a topic of discussion internally at Twitter for years, according to multiple sources, and has resurfaced in recent months under interim CEO Jack Dorsey as Twitter has been exploring new ways to grow its user base, Re/code reported.

6. -- Ralph Lauren is stepping down as CEO of his namesake fashion company, and Stefan Larsson, the global president of Gap's (GPS) - Get Report Old Navy chain, will take on the role.

Ralph Lauren Corp. (RL) - Get Report was founded by 75-year-old Lauren in 1967, who will remain executive chairman and chief creative officer at the company.

7. -- Costco (COST) - Get Report said fiscal fourth-quarter profit rose 10% but sales, while higher, missed analysts' estimates.

The warehouse retailer said revenue in the period rose to $35.78 billion from $35.52 billion. Analysts forecast revenue of $36.21 billion.

Comparable-store sales in the quarter declined 1%. Comparable-store sales excluding fuel and foreign currency impacts rose 6%.

Costco said membership fees increased 2.2% to $785 million.

8. -- Chesapeake Energy (CHK) - Get Report said Tuesday it was laying off 740 employees, most of them at its Oklahoma City headquarters, after the company reported a second-quarter loss of more than $4 billion last month.

The oil and natural gas producer cited lower energy prices for the layoffs, which represent about 15% of its work force.

Following the layoffs, Chesapeake will employ about 4,000 people.

9. -- Google (GOOGL) - Get Report countered the release of Apple's (AAPL) - Get Report latest iPhones with two devices running on a new version of Android software designed to steer and document even more of its users' lives.

The Nexus 6P and Nexus 5X unveiled Tuesday are the first smartphones sold with an Android upgrade called "Marshmallow." It features changes that will give expanded powers to Android's personal assistant, Google Now, so it can explore the information that people call up in the mobile applications.

10. -- Earnings for Wednesday are scheduled from Paychex (PAYX) - Get Report and Actuant (ATU) .

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