Market Insider

After-hours buzz: Xerox, Valeant, Dycom & more

Spencer Platt | Getty Images

Check out the companies making headlines after the bell Monday:

Xerox popped after activist investor Carl Icahn reported a 7.13 percent stake in the U.S. printer company. He said that the stock was undervalued, and he plans to "have talks with management," per The Wall Street Journal.

Valeant inched higher after Bill Ackman boosted his stake in the company to 9.9 percent from 5.68 percent. Ackman's total holdings are currently at 34 million shares, per a public filing.

Shares of Brocade Communications plunged after reporting results of its fiscal-fourth quarter. Despite beating expectations on earnings, the company provided weak guidance for the upcoming year.

Carl Icahn
Icahn reports 7.1% stake in Xerox, calls shares undervalued

Dycom Industries got a boost after posting earnings that topped Wall Street forecasts for the top and bottom lines. The provider of specialty contracting services posted revenue of $659.3 million in the period, beating estimates for $625.7 million, according to estimates by Zacks.

Shares of Chinese entertainment company YY fell after the company missed earnings expectations for the third quarter.

Ceres, an agricultural biotech company, tumbled nearly 10 percent after posting a loss of $4.57 per share for fiscal 2015.

— The AP contributed to this report.