Does the subject want to ask, "Why did the futures glass fall in April of 20?" Accumulated inventory. In April, the national epidemic began to be serious. At that time, the glass officially entered the short-selling trend, and the accumulated goods could not be sold. On April 20, futures glass fell due to inventory accumulation. Glass is an amorphous inorganic nonmetallic material, which is composed of many kinds of inorganic minerals and is very sharp.