Semiconductor manufacturer Magnachip Semiconductor (NYSE:MX) fell short of analysts' expectations in Q4 FY2023, with revenue down 16.7% year on year to $50.82 million. Next quarter's revenue guidance of $48.5 million also underwhelmed, coming in 9.8% below analysts' estimates. It made a non-GAAP loss of $0.21 per share, improving from its loss of $0.36 per share in the same quarter last year.