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After hours buzz: TSN, KBH & more

The Twitter Inc. account of U.S. President Donald Trump, @realDoanldTrump
Andrew Harrer | Bloomberg | Getty Images

Check out the companies making headlines after the bell:

Tyson Foods shares jumped 5.4 percent in extended trading after the company boosted its earnings guidance for the fiscal year on strong beef-segment earnings

Shares of KB Home rose more than 1 percent in the extended session after the company posted higher-than-expected third quarter earnings.

Amazon shares were little changed in extended trading following revelations that newly acquired subsidiary Whole Foods suffered a limited data breach at taprooms and restaurants in some stores.

Twitter's stock remained flat after hours following news that the company sold more than $270,000 of ads to Russia-linked accounts during the 2016 election. Sen. Mark Warner also voiced his disappointment with Twitter's presentation before lawmakers about possible Russian interference in the election.