The Motley Fool·2026-01-21 03:11Market Overview - The S&P 500 is reaching new highs, but the CAPE ratio is nearly 40, the highest in over a decade, indicating higher valuations and making it harder to find bargains [1] Company Analysis: Amazon - Amazon is investing over $125 billion in AI development by 2026, following a similar investment in 2025, focusing on upgrading chips, large-language models, and services like the Bedrock platform [3] - The company is experiencing growth across its core e-commerce, AWS cloud business, and advertising, with the addition of AI expected to enhance overall business performance [5] - Amazon's stock trades at less than 34 times trailing-12-month earnings, with only a 6% increase over the past year, but strong growth potential remains [6] Company Analysis: Taiwan Semiconductor Manufacturing - Taiwan Semiconductor is a key player in AI production, responsible for 85% of global start-up semiconductor prototypes and collaborating with major AI technology companies [6] - The company reported a 21% year-over-year sales increase in Q4 2025, with a 54% operating margin, indicating strong profitability and growth [7] - Taiwan Semiconductor's stock trades at only 32 times trailing-12-month sales, showing potential value for growth investors despite a 60% stock gain over the past year [9]