Duquesne's billionaire boss bid adieu to Wall Street's hottest artificial intelligence (AI) stock in favor of one of the cheapest pharmaceutical stocks on the planet.

Data is the fuel that powers Wall Street. Unfortunately, the amount of data investors have to digest can sometimes be overwhelming. Between earnings season -- the six-week period each quarter where most S&P 500 companies report their operating results -- and near-daily economic data releases, it can be easy for something of importance to go unnoticed.

For example, Aug. 14 marked the filing deadline for Form 13Fs with the Securities and Exchange Commission, and it's possible investors may have missed the invaluable information contained within these filings.

A 13F is a required filing for institutional investors with at

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