Qualcomm reported $10.3 billion in revenue for its fourth fiscal quarter ending September 27, 2026, sending its stock down about 5% in after-hours trading. According to Bloomberg, Qualcomm's revenue fell 8% year-over-year to $10.3 billion, with earnings per share of $2.17, slightly above analysts' expectations of $10.1 billion and $2.16, respectively. Qualcomm expects revenue for the quarter ending in December to be between $10.4 billion and $11.2 billion, higher than analysts' expectations of $10.55 billion; earnings per share are expected to be between $2.15 and $2.35, with the midpoint below analysts' expectations of $2.32. Qualcomm cited rising component and manufacturing costs as the reason for the 26% decline in its mobile phone business revenue to $5.14 billion last quarter. Following the announcement, Qualcomm's stock price fell about 5% in after-hours trading.