improved market cap value extraction

[bimbolimbo]

issue #5156

the market capitalization value is now explicitly converted to a string to ensure that all following operations are performed on a string data type, thus helping to avoid any potential type-related errors. Additionally, I've refined our approach for identifying the units of market capitalization: instead of simply checking if the value contains "M", "B", or "T" anywhere, we now check if the value ends with these characters, resulting in more accurate identification.

[deeleeramone]

Hi @bimbolimbo, and thanks for the PR!

All PRs must strictly follow GitFlow naming convention.

/hotfix/branch-name
/feature/branch-name

This one would fall under the hotfix category.

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ jmaslek
❌ bimbolimbo
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