Here are five things you must know for Monday, Nov. 20:

1. -- U.S. stock futures were mostly lower on Monday, Nov. 20, as the Dow Jones Industrial Average and S&P 500 looked to recover from two-week losing streaks, while European shares traded cautiously amid the prospect for new elections in Germany.

Wall Street last week pulled back from recent highs even as the Republicans' tax bill made progress in the House of Representatives. But competing tax reform proposals in the House and the Senate have given rise to concerns that a compromise may not be found prior to the Christmas break.

In Europe, stocks traded flat to higher while the euro slipped as coalition government talks broke down in Germany over the weekend. The pro-business Free Democrats walked out of the talks, leaving Chancellor Angela Merkel with the likely option of having to form a minority government with the Green party or calling fresh elections in the new year. 

For Monday, the economic calendar in the U.S.includes Leading Indicators for October at 10 a.m. ET.  

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2. -- Marvell Technology Group Ltd. ( MRVL - Get Report)  reached a deal to buy chipmaker Cavium Inc. ( CAVM) for about $6 billion.
 
 
Marvell will pay cash and stock for Cavium. The deal values Cavium at $80 a share.

The purchase price would be a premium of at least 17% to where Cavium traded before the Journal reported on the possible deal in early November.

Cavium shares closed at $75.83 on Friday, Nov. 17. The stock rose by more than 7% in premarket trading to $81.01.

A combined Marvell and Cavium would would create a bigger and more well-rounded competitor to chip giants such as Intel Corp. (INTC - Get Report) and Broadcom Ltd. (AVGO - Get Report) , the Journal noted.

3. -- Alibaba Group Holding Ltd. (BABA - Get Report) agreed to acquire a major stake in China's largest hypermarket operator, Sun Art Retail Group, as the Chinese e-commerce giant continues its push into bricks-and-mortar retailing.

The deal could set up what could be a fascinating clash with both Amazon.com Inc. (AMZN - Get Report) , the world's biggest online retailer, and Walmart Stores Inc. (WMT - Get Report) , the world's No. 1 bricks-and-mortar retailer.

Alibaba will pay just under $2 billion for a 36% stake in Sun Art Retail, which operates China's biggest chain of supermarkets, alongside a similar stake owned by France's Groupe Auchan Retail SA and a much smaller holding for Taiwan's Ruentex.

Alibaba's move looks similar to Amazon's $13.7 billion acquisition of Whole Foods Markets earlier this year and positions Alibaba at the forefront of a $500 billion food market in the world's second-largest economy and a global market worth more than $4 trillion.

American depositary receipts of Alibaba traded in the U.S. rose 1% in premarket trading on Monday.

4. -- Qualcomm Inc. (QCOM - Get Report) is set to win "imminent" Japanese antitrust clearance for its $38 billion bid for NXP Semiconductors NV (NXPI - Get Report) and gain approval in Europe by the end of the year with slight tweaks to its concessions, a person familiar with the matter told Reuters.

Qualcomm, a supplier of chips for Android smartphone makers and Apple Inc. AAPL, wants to become the leading supplier to the fast-growing automotive chips market via the NXP purchase, Reuters noted.

Gaining approval in Japan and Europe for its purchase of NXP could reinforce Qualcomm's fight against an unsolicited $103-billion takeover bid from Broadcom. Qualcomm has rejected the offer, saying it wasn't enough and even if it was the tie-up would likely face regulatory hurdles. 

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5. -- Earnings reports are expected from Agilent Technologies Inc. (A - Get Report) , Hewlett Packard Enterprise Co. (HPE - Get Report) , Intuit Inc. (INTU - Get Report) , Palo Alto Networks Inc. (PANW - Get Report) and Urban Outfitters Inc. (URBN - Get Report) .

This story has been updated to include Marvell's agreement to buy Cavium.

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