Micron Technology

(MU) - Get Report

was up 3.9% in midmorning after

Goldman Sachs

added it to its U.S. Recommended for Purchase List, raising it from its previous market outperformer rating.

Goldman also lifted its 2001 earnings per share estimate to $3.50 from $3.20. Other chipmakers were not faring well. The

Philadelphia Stock Exchange Semiconductor Index

(SOX)

was down 3.9%.