Life Technologies Corporation (Nasdaq: LIFE) jumped more than 6 percent  to $50.66 from yesterday’s closing price of 47.79, with more than double average volume. The maker of biotech tools reported quarterly net income of $105.5 million, or 56 cents a share, on revenue of $867.1 million, besting analysts’ predictions of 78 cents a share on revenue of $855.2 million. The company also forecast full-year adjusted earnings of $3.48 to $3.52 a share, compared with a Street consensus of $3.42 a share on Tuesday.

UnitedHealth Group Incorporated (NYSE: UNH) dropped more than 5 percent Wednesday touching on a low of $35.70 from the previous days’ close of $37.57 on above-average volume. The stock is still trading very near a 52-week high of $37.95. The company recently reported third quarter increase in net income of 23%, to $1.28 billion, or $1.14 per share, from $1.04 billion, or 89 cents per share, from the same period last year.

Abbott Laboratories (NYSE: ABT) dipped nearly 3 percent trading on below-average volume, touching on a low of 51.03 from Tuesday’s close of $52.69. The Company recently reported strong third quarter results, notably; earnings-per-share growth of 14.1 percent, worldwide sales increase of 11.8 percent, and promising expansion in emerging markets.