I'm sitting on a reasonable pile of cash, earning negligible interest in a bank savings account. After determining that I can live without this money for 5-10 years, I decided it would be best put into an index mutual fund.
However, I can't get myself to pull the trigger. With the poor economic forecast in many countries right now (including my own country, the US) most investors believe the market will be heading south for a while to come.
Question: do I sit on 0.5% interest until better forecasts emerge? Or will long-term behavior compensate for the current downturn?