The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.
Go for it now. The future is promised to no one.
The people who live in a golden age usually go around complaining how yellow everything looks.
The next generation of aquaculture leaders must think beyond the cage.