At a time when many craft brewers are opting to sell their businesses, Ballast Point Brewing & Spirits has an unconventional plan for the brewer’s future: it’s going public. The craft beer space is a hot sub-segment of the $101.5 billion U.S. beer industry. Though volume for the total beer industry has been generally flat, the craft beer segment’s market share has jumped from 5% in 2010 to 11% last year. The hot growth has led some craft brewers to sell their businesses to larger rivals or private equity firms that see great potential in the smaller brewer’s growth prospects....