When it comes to trading, I prefer tailwind as the stock price can continue to go higher up especially with the greater market sentiment. However, for investment, if the headwind is a temporary one, I would prefer to pick up good stocks at a discount. For both strategies, I prefer not to leverage as the risk is too much for my appetite. So, my preference depends on whether I am trading or intend to hold the stock for the longer term ie the horizon. While I like ETFs, I prefer the usual ones which are more intuitive than inverse ETFs.