because she simply wanted to buy some shares and a broker is a fairly normal way of doing that as she didn't have any on line trading account, not so long ago prior to the late 90's using instructing a broker to buy or sell shares was the way evrybody did it, and it actually still works today (keep in mind albeit they do charge a bit more for transactions) some people just can't be bothered setting up a online account , so that's how they buy or sell, nothing to unusual really, especially for the older generation.
FP
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