[U.S. chip stocks continue to weaken, Micron Technology turns negative, Qualcomm plunges 9.6%] Odaily Planet Daily reports, according to MSX.COM data, U.S. chip stocks continue to weaken. Micron Technology turned negative during the session after surging about 10% in pre-market trading; Qualcomm plunged 9.6%, ARM fell over 6%, Intel dropped over 4%, and AMD declined over 3%.