Mid-Afternoon Market Update: Markets Trade in Mixed Session as Organovo Falls

Toward the end of trading Monday, the Dow traded up 0.65 percent to 16,130.04 while the NASDAQ rose 0.23 percent to 4,009.75. The S&P also rose, gaining 0.55 percent to 1,825.32.

In trading on Monday, technology shares were relative leaders, up on the day by about 1.18 percent. Among the leading sector stocks, gains came from WebMD Health

and 21Vianet Group

. Telecommunications services shares gained by just 0.35 percent in the US market today. Top losers in the sector included NQ Mobile

, off 5.8 percent, and Lumos Networks

, down 2.9 percent.

Citigroup

reported

first-quarter results. Citigroup's quarterly profit surged to $3.94 billion, versus a year-ago profit of $3.81 billion. On a per-share basis, it earned $1.23. Excluding one-time items, its earnings rose to $1.30 versus $1.29. Its revenue declined to $20.12 billion. However, analysts were projecting earnings of $1.14 per share on revenue of $19.37 billion.

Aspen Insurance Holdings

shares shot up 11.05 percent to $43.72 after Endurance Specialty Holdings

Aspen Insurance for $47.50 per share in a cash and stock deal. Shares of Goodrich Petroleum

were also on the rise, gaining 27.83 percent to $23.52 after the company announced it had completed a new well, which was now producing at peak rates. WebMD Health

shares were also up, gaining 15.50 percent to $43.51 after the

its forecast. The company now expects Q1 results above the high end of its earlier outlook.

Shares of Antero Resources

were down 5.41 percent to $59.74 after the company announced a

in its Q1 preliminary gas production. Medtronic

shares tumbled 2.23 percent to $57.88 on Federal District Court ruling preventing the company from selling its CoreValve System in the US as a result of Edwards Lifesciences

patent infringement verdict. Organovo Holdings

was also down, falling 11.45 percent to $6.43 as the 3D group showed broad weakness on the session.

In commodity news,

to $103.65, while gold traded up 0.55 percent to $1,326.20. Silver traded down 0.06 percent Monday to $19.98, while copper fell 0.15 percent to $3.04.

European shares

today. The Spanish Ibex Index fell 0.17 percent, while Italy's FTSE MIB Index gained 0.55 percent. Meanwhile, the German DAX rose 0.26 percent and the French CAC 40 climbed 0.43 percent while U.K. shares gained 0.24 percent.

US retail sales rose 1.1% to $433.9 billion in March, versus an upwardly revised 0.7% gain in February. Economists were estimating total sales to increase 0.9%. US business inventories rose 0.40% in February, versus economists' expectations for a 0.50% gain.