NEW YORK ( TheStreet) -- Here are 10 things you should know for Tuesday, Feb. 19: 1. -- U.S. stock futures were suggesting Wall Street would open higher Tuesday after a three-day holiday weekend. European shares were rising after Germany's ZEW expectations index topped economists' forecasts. Asian stocks ended Tuesday's session mixed. Japan's Nikkei 225 index fell 0.3% to 11,372.34. 2. -- The economic calendar in the U.S. Tuesday includes the NAHB Housing Market Index for February at 10 a.m. EST. 3. -- U.S. stocks on Friday ended mixed. The Dow Jones Industrial Average tacked on 8 points, or 0.1%, to close at 13,982. The Dow closed off 0.1% last week. The S&P 500 dipped 1.6 points, or 0.1%, to finish at 1,520. The index added 0.1% for the week. The Nasdaq was off 6.6 points, or 0.2%, to close at 3,192. The tech-heavy index lost 0.1% last week. Markets in the U.S. were closed Monday for the Presidents' Day holiday. 4. -- OfficeMax ( OMX) and Office Depot ( ODP), facing stiff competition, are in advanced talks to merge, people familiar with the matter told The Wall Street Journal. The deal is expected to be stock-for-stock, though precise terms couldn't be learned, the newspaper said. A deal isn't done yet, and talks could still fall apart. But an announcement could come as early as this week, the people told the Journal. 5. -- Dell ( DELL), the personal computer maker, is expected by Wall Street Tuesday to post fourth-quarter earnings of 39 cents a share on revenue of $14.12 billion. Dell reached a deal earlier this month to go private in a $24.4 billion deal. 6. -- Herbalife ( HLF), at the center of a public fight between Carl Icahn and Bill Ackman, is expected to post fourth-quarter earnings Tuesday of $1.03 a share on revenue of $1.05 billion. 7. -- Earnings are also expected Tuesday from Medtronic ( MDT), Nabors Industries ( NBR) and Fidelity National Financial ( FNF). 8. -- Burger King's ( BKW) Twitter account was hacked on Monday, forcing the fast-food company to ask Twitter to suspend the account. Several tweets contained the logo of rival McDonald's ( MCD). One tweet made from Burger King's account even said, "We just got sold to McDonalds!" 9. -- Cyberattacks that stole information from 141 targets in the U.S. and other countries have been traced to a Chinese military, a U.S. security firm alleged Tuesday, The Associated Press reported. China called the report "groundless." 10. -- Prosecutors accused Oscar Pistorius, the "blade runner," of premeditated murder, saying he opened fire four times on his girlfriend through a locked bathroom door after putting on his prosthetic legs and walking more than 20 feet from a bedroom, The New York Times reported. -- Written by Joseph Woelfel >To contact the writer of this article, click here: Joseph Woelfel >To submit a news tip, send an email to: firstname.lastname@example.org.