What impacts valuation of a company more; is it dividends or is it buyback of shares?

As a shareholder, what should I actually prefer; dividends declared by the company or share buybacks? What is more profitable for investors?

What is preferable for shareholders; dividends or buyback of shares?

I had bought 500 shares of Jain Irrigation @ 106 around 1 year back. The stock was supposed to be a very attractive pick at that point of time, but it has only gone downhill. What is the prospect for this company?

I have 100 shares of dcm Shriram LTD @380/-. I can hold for 12-15 months. please let me know about company

I have some old shares in my portfolio like Bajaj Hindustan, JP Power, Jaypee Infra, Rel Power, Unitech. Valuation of all of it is very low and that is the reason I kept them for so long. Appreciate a guidance on whether to sell or wait how long?

I hold shares of Satin Creditcare and I understand the company will convert into a Small Finance Bank. What does it hold for the stock?

Is there any difference in the way the buyback of shares is taxed versus the way in which the dividend paid out by a company is taxed?

Is there possiblity revival of Cox & Kings? Shall I hold or sell the shares of that company and its subsidiary company Cox & Kings Finance?

What are the principal advantages of the reverse book building system for buybacks and for delisting of shares?

What is the fundamental difference between a buyback of shares and payout of dividends by companies?