https://www.fool.com/investing/2017/12/28/micron-stopped-dis…
"Profits can still grow if Micron reduces its cost per bit at a faster rate, but the company has done something curious on that front. Beginning with the latest earnings report, Micron has stopped disclosing cost-per-bit changes, ripping it out of its quarterly slide deck without explanation.
"This metric is also nowhere to be found in Micron’s 10-Q. Whenever a company stops disclosing an important metric, I assume it’s trying to keep investors in the dark.
“Micron’s results depend on three metrics: how many bits it sells, the average selling price of those bits, and cost of producing those bits. Prior to the latest quarter, Micron disclosed all of these metrics for both DRAM and NAND in its quarterly presentation.”