Appaloosa's billionaire investor has swapped out two artificial intelligence (AI) hardware goliaths for a rapidly growing company in the fintech arena.

Between near-daily economic data releases and the six-week period each quarter ("earnings season") where many of Wall Street's most-influential business reveal their operating results, keeping up on market-moving news events can be challenging. Once in a while, something of importance can fall through the cracks.

For example, the sheer abundance of Form 13F filings with the Securities and Exchange Commission might go unnoticed by investors. A 13F is a required filing no later than 45 calendar days following the end to a quarter for institutional investors with at least $100 million in assets under management. It provides a snapshot for

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