Fix a bug and refactor stock helpers

[colin99d]

Description

Fixes #2474 and breaks up the massive load function a little bit.

How has this been tested?

• Pytest passed
• Linters passed
• Ran commands that were changed in API (stocks.load and stocks.search)
• Ran applicable integrated tests

Checklist:

• Update our Hugo documentation following these guidelines.
• Update our tests following these guidelines.
• Make sure you are following our CONTRIBUTING guidelines.
• If a feature was added make sure to add it to the corresponding scripts file.

Others

• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My code passes all the checks pylint, flake8, black, ... To speed up development you should run pre-commit install.
• New and existing unit tests pass locally with my changes. You can test this locally using pytest tests/....

[jmaslek]

isnt limit for showing a certain number of dataframe entries

[colin99d]

I believe it was extended for this as well. The function had already been changed,