Updated from 5:58 a.m. EST

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Here are five things you must know for Wednesday, Feb. 22:

1. -- U.S. stock futures turned mixed Wednesday after breaking records again in the previous session and ahead of minutes from the Federal Reserve's meeting earlier in February.

The minutes of the U.S. central bank's Jan. 31-Feb. 1 meeting will be released at 2 p.m. EST. Wall Street will be looking for clues about the Fed's views on interest rates.

"U.S. equity investors returned from the Presidents Day holiday in a very bubbly mood as both the S&P 500 and Dow Industrials closed in on record territory again," Stephen Innes of OANDA said, the Associated Press reported. But he added, "The stage is indeed set for the Feds to come out firing on all cylinders this week, so it would be wise to tread cautiously until the airwaves clear."

The economic calendar in the U.S. on Wednesday also includes Existing Homes Sales for January at 10 a.m., while Fed  Gov. Jerome Powell is scheduled at 1 p.m. to discuss the economic outlook and monetary policy at the Forecaster's Club of New York.
 
The Dow Jones Industrial Average rose 0.58% on Tuesday to close at 20,743, capping off its eighth straight day of gains following a better-than-expected quarter from Walmart  ( WMT - Get Report) . A rally in the energy sector pushed the rest of the markets higher with the S&P 500 rising 0.60% to 2,365, a new record, and the Nasdaq climbing 0.47% to 5,865, also a fresh high. 
 
Crude oil prices rallied to nearly three-week highs on Tuesday but were down 0.4% early Wednesday to $54.09 a barrel.
 
2. -- Luxury homebuilder Toll Brothers ( TOL - Get Report) posted fiscal first-quarter earnings of 42 cents a share, topping analysts' forecasts of 35 cents.
 
Revenue was $920.7 million in the quarter, which also beat Wall Street forecasts. Five analysts surveyed by Zacks expected $874.6 million.
 
Dish Networks ( DISH - Get Report)  earned 70 cents a share in the fourth quarter, swinging from a year-earlier loss of 27 cents and ahead of analysts' estimates of 67 cents. 
 
Earnings are also expected Wednesday from  L Brands  ( LB - Get Report) , TJX Cos.  ( TJX - Get Report) , HP  ( HPQ - Get Report) , Square  ( SQ - Get Report) , Tesla  ( TSLA - Get Report) , Transocean  ( RIG - Get Report) and Tronc  ( TRNC) .  
 
TJX is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer or the AAP team buys or sells TJX? Learn more now.
 
3. -- Shares of Bristol-Myers ( BMY - Get Report) were rising close to 1% in premarket trading Wednesday after billionaire activist investor Carl Icahn took a stake in the drug giant.
 
Icahn owns a large stake and believes the company has a good pipeline that would help make it an attractive takeover target, people familiar with the matter told The Wall Street Journal. It isn't clear how big the stake is.

Bristol-Myers announced Tuesday it would add three directors to its board and buy back $2 billion in stock in a pact with another activist, Jana Partners.

Jana took a stake last year and began pushing for board changes after Bristol-Myers announced in January that a lung-cancer treatment wouldn't get approval as fast as hoped, a person familiar with the matter told the Journal.

Bristol-Myers shares closed Tuesday at $54.78, up 0.35%.

 
4. --  Facebook ( FB - Get Report) is in talks with Major League Baseball to live stream one game a week during the upcoming season, Reuters reported, citing two people familiar with the situation.

Facebook has pushed to sign deals with owners of sports rights to live stream their games, going after an audience that Twitter (TWTR - Get Report)  also is trying to capture, according to sports media consultants, Reuters reported.

"Facebook is aggressively going after sports content and they are now one of a number of competitors to traditional media outlets that are going after sports programming," sports media consultant Lee Berke told Reuters. "It makes perfect sense that they would be going after name brand properties like the MLB."

Live streaming of sports for social media platforms like Facebook is key to attracting people since sports is one of the few types of content that people still watch live, Reuters noted. 

Facebook is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer or the AAP team buys or sells FB? Learn more now.

5. -- Oil giant Saudi Aramco asked JPMorgan Chase (JPM - Get Report) and Morgan Stanley (MS - Get Report) to assist with its upcoming initial public offering and could call on another bank with access to Chinese investors, a source with direct knowledge of the matter told Reuters.

The U.S. banks have joined boutique investment bank Moelis & Co in being tapped for roles in what is expected to be the world's biggest IPO of about $100 billion.

HSBC Holdings (HSBC) has emerged as the leading contender for a role among a list of five banks that could provide a pipeline to Chinese investors, the source told Reuters.

Saudi Aramco is likely to list in New York, but also is considering London and Toronto, the Journal reported.