Stocks: 5 things to know before the open

premarket wednesday
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It looks like it will be a Stable Wednesday for Wall Street following a Super Tuesday for White House hopefuls.

U.S. stock futures are holding steady. European markets are posting healthy gains in early trading, while Asian markets ended in positive territory.

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

1. Oil steadies: Crude oil futures are edging down 2% to $33.70 per barrel on Wednesday, but still remain way above the scary lows reached in February.

The recent gains reflect a change of sentiment, as investors hope big oil producers including Saudi Arabia and Russia will stick to their tentative agreement to freeze production.

The latest update on U.S. crude inventories will come out at 10:30 a.m. ET.

Related: Fear & Greed Index

2. Earnings and economics: Alcoholic beverage company Brown-Forman (BFA) and retailer Abercrombie & Fitch (ANF) will post quarterly results this morning.

After the markets close, investors will hear from Costco (COST) and American Eagle (AEO).

Weibo Corporation (WB), which runs China's version of Twitter, will also report after the close.

Related: CNNMoney's Tech30

3. Stock market mover -- CSX: Shares in railroad services company CSX (CSX) jumped in extended trading on reports that Canadian Pacific (CP) is eying a takeover.

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4. More Brexit warnings: BlackRock (BLK), the world's largest asset management company, has joined a growing group of big businesses warning against Britain leaving the European Union. The company said a Brexit would likely hurt equities and the U.K. currency, and weaken the property market.

5. Tuesday market recap: The Dow Jones industrial average soared 2.1%, while the S&P 500 added 2.4% and the Nasdaq rose 2.9%.

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