Telecom giant AT&T ( T) will take a $10 billion fourth-quarter charge related to its pension and benefit plans, the company warned late on Thursday. AT&T also warned that high smartphone subsidies will put pressure on the firm's profit and estimated that the impact of storms, including Superstorm Sandy, will reduce its fourth-quarter operating income by around $175 million. AT&T shares closed the week down 2.4% at $33.44. Brocade ( BRCD) ended its five-month search for a CEO on Monday, appointing industry veteran Lloyd Carney. Brocade shares ended the week up 1.4% at $5.64. In addition to Apple, a host of other tech companies report quarterly results next week, including IBM ( IBM), Symantec ( SYMC), Google ( GOOG), AMD ( AMD), Texas Instruments ( TXN), F5 Networks ( FFIV) and Juniper Networks ( JNPR). -- Written by James Rogers in New York.Follow @jamesjrogers >To submit a news tip, send an email to: email@example.com.