Technitrol Surges After Analyst Upgrades

"This transaction will also essentially bring to a close the troubled history of Technitrol's prior ($385 million) acquisition of Sonion, which led to the balance sheet being overleveraged at the time of the acquisition."

By midday Wednesday, shares were up 52 cents, or 10.3 percent, at $5.55. That follows a 26 percent gain the day before.

Meanwhile, the broader S&P 500 index had fallen 1.5 percent Wednesday as data on U.S. factory orders and the services industry missed expectations.