Warren Buffet's position on Index funds - "A low-cost fund is the most sensible equity investment for the great majority of investors. My mentor, Ben Graham, took this position many years ago, and everything I have seen since convinces me of its truth." http://www.marketwatch.com/story/the-5-times-warren-buffett-talked-about-index-fund-investing-2017-04-28
I think Index funds make far more sense than day trading, or even swing trading. Just Hodl a diverse portfolio and forget about it.