The Pfizer logo is seen outside the company's headquarters on August 8, 2025 in New York City. (Photo by ANGELA WEISS / AFP) (Photo by ANGELA WEISS/AFP via Getty Images)AFP via Getty ImagesPfizer stock (NYSE: PFE) is currently in a significant slump, marking its ninth consecutive day of decline and losing a total of −11% of its value over that period. This sustained sell-off has wiped out approximately $18 billion in market capitalization, leaving its current value at around $138 billion.The stock remains 3 ...