By Anna Akins
Simmering tensions between big tech and news publishers boiled over this week, weighing on Facebook Inc. shares. Meanwhile, business tycoon Warren Buffett grabbed headlines after revealing a multibillion-dollar stake in Verizon Communications Inc. while reducing his position in longtime favorite Apple Inc.
Both Facebook and Alphabet Inc.-owned Google LLC are pushing back on a proposed Australian law that would require the platforms to pay publishers for content distributed on their sites.
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