<p>BOS Solutions Holdings, a provider of liquids-solids-separation services, priced its recently filed initial public offering. It is the latest in a series of private equity and venture-backed issues that are helping rally Canada’s IPO market. Calgary’s BOS, owned by Advent International, plans to raise as much as $104 million from the sale of 9.4 million common shares at $11 to $14 per unit, the updated prospectus shows.</p>