Stock markets around the globe are tumbling again today. Investors have lost confidence in the global economy and are heading for the exits. The Toronto Stock Exchange has been hit hard - dropping 11% last week and suffering another 6% shaving today. The Horizons BetaPro TSX 60 Bear Plus Fund (TSX:HXD) is up 11% in early trading. Nimble traders looking for relief from the downpour can turn to these leveraged shorting instruments.