Mid-Day Market Update: Dow Jumps Over 250 Points; Rockwell Medical Shares Decline On Weak Q4 Results

Midway through trading Tuesday, the Dow traded up 1.66 percent to 16,789.92 while the NASDAQ gained 2.19 percent to 4,657.56. The S&P also rose, gaining 1.84 percent to 1,967.78. Leading and Lagging SectorsOn Tuesday, financial shares rose by 2.61 percent. Top gainers in the sector included Hertz Global Holdings Inc (NYSE: HTZ), ICICI Bank Ltd (ADR) (NYSE: IBN), and Hilltop Holdings Inc. (NYSE: HTH). In trading on Tuesday, utilities shares fell by 0.08 percent. Meanwhile, top losers in the sector included Pepco Holdings, Inc. (NYSE: POM), down 9 percent, and American Midstream Partners LP (NYSE: AMID), down 3 percent.Top HeadlineDollar Tree, Inc. (NASDAQ: DLTR) reported weaker-than-expected results for its fourth quarter.Dollar Tree said that it earned $1.01 per share in the fourth quarter on revenue of $5.37 billion. Wall Street analysts were expecting the company to earn $1.07 per share on revenue of $5.41 billion.Same-store sales for the Dollar Tree segment rose 1.7 percent on a constant currency basis versus a 5.6 percent increase in the same quarter a year ago due to currency fluctuations in the Canadian market.Looking forward, Dollar Tree expects to earn $0.75 to $0.83 per share in the first quarter on revenue of $5.05 billion to $5.12 billion and earn $3.35 to $3.65 per share for the full fiscal year on revenue of $20.76 billion to $21.11 billion. Wall Street analysts were estimating the company will earn $0.80 per share in the first quarter on revenue of $5.1 billion and earn $3.76 per share for the full fiscal year on revenue of $20.92 billion.Equities Trading UP Career Education Corp. (NASDAQ: CECO) shares shot up 30 percent to $3.27. Career Education reported a Q4 loss of $0.06 per share on revenue of $199.9 million.Shares of Hertz Global Holdings Inc (NYSE: HTZ) got a boost, shooting up 14 percent to $9.65. Hertz reported Q4 earnings of $0.05 per share on revenue of $2.41 billion. American Public Education, Inc. (NASDAQ: APEI) shares were also up, gaining 22 percent to $18.82 after the company reported stronger-than-expected results for the fourth quarter.Equities Trading DOWN Bonanza Creek Energy Inc (NYSE: BCEI) shares dropped 41 percent to $1.10 after the company reported a wider-than-expected Q4 loss. Shares of Rockwell Medical Inc (NASDAQ: RMTI) were down 31 percent to $6.65 after the company reported downbeat results for its fourth quarter on Monday. Opower Inc (NYSE: OPWR) was down, falling around 22 percent to $6.42. Opower reported a Q4 loss of $0.14 per share on sales of $40.5 million. The company expected Q1 loss of $0.16 to $0.14 per share on sales of $36.2 million to $37.0 million.CommoditiesIn commodity news, oil traded up 2.16 percent to $34.48, while gold traded down 0.32 percent to $1,230.40. Silver traded down 0.86 percent Tuesday to $14.79, while copper rose 0.14 percent to $2.14.EurozoneEuropean shares were higher today. The eurozone's STOXX 600 gained 1.44 percent, the Spanish Ibex Index climbed 1.77 percent, while Italy's FTSE MIB Index jumped 2.21 percent. Meanwhile, the German DAX climbed 2.34 percent, and the French CAC 40 rose 1.22 percent, while U.K. shares rose 0.83 percent.EconomicsThe Markit manufacturing PMI rose to 51.30 in February, versus a prior reading of 51.00. However, economists were expecting a reading of 51.00.The ISM manufacturing PMI gained to 49.50 in February, versus a prior reading of 48.20. Economists projected a reading of 48.50.US construction spending rose 1.5 percent for January, versus economists' expectations for a 0.40 percent growth.