Dividend-paying Stocks

#1
Hi all. I have some money I would like to invest in dividend-paying shares. Does anybody have some tips what sectors/shares would be a good long-term investment? A friend of mine advised technology and biotech. Any opinions are welcome.
 
#3
What I forgot to mention: ethical investments only.
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#4
I would suggest that dividend paying stock are not that worthy. U can even invest in non dividend stock because that will fetch u more and the value will increase much faster