Berkshire Hathaway first bought Apple ( AAPL 1.86%) shares in the first quarter of 2016. That was a wildly successful decision, as the "Magnificent Seven" stock has soared 797% since the start of that year (as of Jan. 31).

Warren Buffett’s Berkshire Hathaway (BRK.A) (BRK.B) has recently increased its stake in Sirius XM Holdings Inc. (SIRI), now owning over 35% of

Berkshire Hathaway offers a promising investment opportunity with a strong portfolio and cash reserves, despite short-term risks. Explore more details here.

Berkshire Hathaway doesn't have any major announcements planned for Jan. 30, but its top holding, Apple, does. History doesn't give investors a compelling reason to expect Berkshire stock to jump much if Apple's stock soars.

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