Berkshire first invested in Amazon in Q1 2019. During that quarter, Amazon's average price was about $83 per share. The stock trading for around $200 per share now would indicate a 141% return on investment. However, the bulk of that return has come in recent months, as Amazon's AI affiliation is starting to take hold.

Warren Buffett’s Berkshire Hathaway is set to report its third-quarter earnings on Saturday morning. Here are some things investors will be watching out for.

Warren Buffett is now sitting on more than $325 billion cash after continuing to unload billions of dollars worth of Apple and Bank of America shares this year and continuing to collect a steady strea