Buy and hold died. Follow the gurus cautiously. Some are blind. Buy dips. Buy momentum. Market is unknowable. Food always in demand. Energy too. Charts are like statistics: they can say whatever you want. Momentum + price action for swing trading.
Started 09 w/ 100k turned it into 900k 3 years later and since, managed to lose half in a raging bull market by abandoning fundamentals. Getting back to basics and the green is pouring back in.