Micron (MU) increased its capital spending from $3.1 billion in fiscal 2014 to $8.8 billion in fiscal 2018 and increased its ROI from 16.8% to 42.4%.

source https://finance.yahoo.com/m/201b7509-4c5b-394c-91fb-c0fa4ca112dc/why-is-micron%E2%80%99s-capital.html?.tsrc=rss