Cocoa futures just slid to their lowest level in almost two years, and the timing couldn't be more delicious as investors are staring down another inflation-heavy holiday season. As winter mugs come out and gifting shelves fill up, the sudden collapse in cocoa prices arrives as a rare margin tailwind for chocolate manufacturers that have spent the past year battling soaring ingredient costs and price-sensitive consumers.Track HSY stock here.The question now hanging over Wall Street: will cheaper beans final ...