During the overnight trading session on September 16, the storage chip sector showed a broad upward trend. As of press time, most mainstream stocks in the sector recorded gains, with Micron Technology (MU.US) up 0.44% at $931.66, SanDisk (SNDK.US) up 0.32% at $1,535.80, Western Digital (WDC.US) up 0.49% at $413.97, Seagate Technology (STX.US) up 0.41% at $775.00, and Everspin Technologies (MRAM.US) showing relatively strong performance, up 1.24% at $14.69.

Looking at the overnight trading ranges, Micron Technology touched a high of $933.00 and a low of $921.55; SanDisk fluctuated between $1,515.17 and $1,544.44; Western Digital traded in the $409.61 to $415.52 range; Seagate Technology moved between $766.53 and $776.88; and MRAM operated in the $14.43 to $14.86 range. Overall volatility remained relatively limited, reflecting cautious trading sentiment during the overnight session.

On the derivative side, performance was mixed, with MUU.US up 0.88% at $28.55, SNXX.US up 0.52% at $13.41, while MUD.US fell 0.56% to $10.63 and SNDQ.US declined 0.67% to $14.79. Overall sector trading volume remained moderate, with investors maintaining a cautious wait-and-see approach during overnight hours, awaiting further guidance in the next trading session's pre-market and regular hours.

Sector constituents