Stocks: 3 things to know before the open

S&P futures 2014 10 07
Click chart for in-depth premarket data.

It looks like it could be a down day.

Here are the three things you need to know before the opening bell rings in New York:

1. Ready for a decline: U.S. stock futures are shifting lower and markets across Europe are declining.

Investors are feeling disgruntled after new data from Germany -- Europe's largest economy -- showed industrial production took a big hit in August, declining by 4% compared to the previous month. This is the latest in a string of reports showing the German economy is sputtering.

The latest reading from the CNNMoney Fear & Greed index shows investors continue to feel extremely fearful. One month ago, the mood was neutral.

Related: Fear & Greed Index

2. Market movers -- Rio Tinto, Amazon, Container Store: Shares in the mining behemoth Rio Tinto (RIO) were rising by about 5.5% in London after it revealed that Glencore (GLNCY) had approached it about a mega takeover in July. Rio Tinto said it turned down the offer and the firms are no longer discussing the matter.

Watch Amazon (AMZN) trading Tuesday. The company is being investigated by European regulators for benefiting from a sweetheart tax deal in Luxembourg.

Apple (AAPL) is already being investigated for a similar tax arrangement in Ireland.

Shares in The Container Store (TCS) plunged in extended trading after the company's quarterly earnings report fell short of analysts' expectations.

Related: CNNMoney's Tech30

3. Monday market recap: U.S. stocks closed in negative territory Monday. The Dow lost 18 points, the S&P 500 slid 0.2%, and the Nasdaq fell 0.5%.

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