A breakdown to a new 52-week low on heavy volume means every buyer of the last year is now losing money, and their selling can keep the pressure on. This screen lists stocks on the Toronto Stock Exchange that set a new 52-week low today on at least twice their 21-day average volume, heaviest volume first. Prices are in Canadian dollars, and the list covers TSX-listed stocks with at least C$1 million in average daily trading value.