Here is a Blast from the Past. A film noir movie about an investment manager who steals from his client because he keeps getting margins calls from the stockbroker who handles the trades.
The movie is called The Pretender, and was filmed in 1946, starring Albert Dekker and Catherine Craig.
If you like film noir, you will enjoy this one, as it has a few unexpected twists and turns.
The Pretender is available on Amazon, and is free to watch if you have Amazon Prime.