They're there to lower volatility, and to provide a safety net when stock markets tank — as they inevitably will during your investing lifetime. (moneysense.ca)
Switzerland's stock market tanked almost 9 per cent on Thursday and was down another 6 per cent on Friday. (canadianbusiness.com)
Even in 2008, when stock markets tanked by nearly 40 per cent, his portfolio was only down 7 per cent for the year. (thestar.com)