To all newbie dividers: The Ex Day.

(In simple terms: the share price is reduced by the dividend yield). Here at $CS (-0.84%)

The money from dividends also comes from somewhere. Accordingly, high dividends are not always good, but are based on a functioning business model. If this is not the case, you will make more price losses than returns from dividends in the long term.

If the dividends are above the tax-free amount, taxes must be paid on them. It is almost like selling shares in a company. That is why it is important to reinvest them. Either in the same company or in another one. The big advantage is a steady cash flow, which can simplify the rebalancing of the portfolio or cover possible everyday expenses (e.g. in retirement)