The semiconductor sector is experiencing a significant downturn after industry leader Taiwan Semiconductor (TSMC) raised its full-year capital expenditure forecast. Despite reporting a record second-quarter profit, the increased spending outlook has ignited investor fears about the escalating costs associated with the artificial intelligence infrastructure buildout. This news has triggered a broad-based sell-off across the chip sector, impacting numerous major companies and related ETFs, as the market recalibrates expectations in light of higher anticipated investment requirements.