In short
Trump praised Micron a week after announcing information about a $10 billion laboratory.
MU rose by 4% on the day of the announcement, then gave back all of that gain.
Micron is 27% below its record, despite being valued at $1 billion.
Read the original article Trump just mentioned Micron shares, but this week they fell by 5% by Lockridge Okoth on pl.beincrypto.com