The only technical analysis that seems to have any empirical backing/research is the concept of momentum/trends. Stocks in momentum tend to keep going that direction. You can even do it with ETFs if you dont like the concept of picking stocks.
https://www.amazon.com/Dual-Momentum-Investing-Innovative-Strategy-ebook/dp/B00O2A7HKU?ie=UTF8&me=&ref_=mt_kindle