Group 1 - The article provides a market analysis of Pfizer Inc., highlighting its recent performance and strategic initiatives in the pharmaceutical industry [1] - Pfizer's revenue for the last quarter reached $22.6 billion, reflecting a 47% decrease compared to the same period last year, primarily due to the decline in COVID-19 vaccine sales [1] - The company is focusing on diversifying its product portfolio and investing in new drug development to offset the revenue drop from pandemic-related products [1] Group 2 - Pfizer's research and development expenses increased by 15% year-over-year, amounting to $3.5 billion, indicating a strong commitment to innovation [1] - The company has several key drugs in the pipeline, including treatments for cancer and rare diseases, which are expected to drive future growth [1] - Pfizer's stock performance has been volatile, with a current price of $40.50, down from $60.00 a year ago, reflecting market concerns over its post-pandemic strategy [1]