The international tobacco titan could soon widen its lead in the industry.Philip Morris International (PM +0.79%) has been a strong performer this year. The stock has fallen 20% from its high, yet shares are still up by more than 24% since January, outpacing the broader stock market.The tobacco stock has emerged as a clear winner in the new-look nicotine and tobacco space, where traditional cigarettes and chewing tobacco are losing ground to smoke-free alternatives, such as electronic vapes, heat-not-burn d ...