MADRID, SPAIN - 2023/10/24: Pedestrians walk past the heated tobacco and electronic cigarette ... [+] products brand and manufactured by Philip Morris International (PMI), IQOS, seen in Madrid. (Photo by Xavi Lopez/SOPA Images/LightRocket via Getty Images)SOPA Images/LightRocket via Getty ImagesPhilip Morris stock (NYSE: PM) has seen solid gains of over 70% from levels of around $70 in early January 2021 to over $120 now, vs. an increase of about 50% for the S&P 500 over this period. This can primarily be a ...