What should be the punishment of financial analyst if he misguides any stakeholder of an entity?

First, we need to look at the Company's disciplinary/Ethics policies to take action if Financial Analyst advise indeed caused major loss to stakeholders.  Generally Finance Professionals are not liable themselves for the advise given according to the business conditions, but if wilfully misdirects, then even his employment contract must have some disciplinary clauses.  Owners are at liberty to take inside Finance  Analyst/Manager advise and they have to take risk and if that risk turns out to be loss, they have to bear it. No need to make Analyst a scapegoat.

However, if it is established that the Analyst wilfully and continuously misguided the Owners in the past, then if he is licensed CPA/CMA/CA etc, Owners can even refer to the respective Institutes for disciplinary action.

This is always organized and controlled by the profession`s ethics.

However, it could be different if it the mistake on purpose. This require to fire and take necessary legal action towards him/her.   thank you for the invitation