If you are talking about long-term then these are the things you can see:
company structure,
growth structure,
growth rate.
income and
revenue etc
These are things you can keep in minds day before trading. However, If you want to learn technical and fundamental analysis you can join any institute like NIFM, NSE India, ICFM, Share market Shiksha.
(Source: https://www.quora.com/What-kind-of-analysis-do-you-do-a-day-before-trading)
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