TCAI is trading 3.16% down at $44.07 as semiconductor shares face pressure over concerns about rising Chinese competition in memory chips. - CXMT reported progress on a denser memory-chip design. - Its planned server-memory product has raised competition concerns across the industry. - TCAI holds Micron and SanDisk among its largest positions, making sector weakness a plausible contributor; no TCAI-specific catalyst was identified.