Philip Morris drops on Q2 revenue miss

Shares of cigarette maker Philip Morris International PM.N down ~4% at $173.93 premarket after Q2 revenue misses estimates

Says quarterly cigarette shipment volumes down 1.5% compared to a 1.1% rise in the prior quarter

Posts Q2 revenue of $10.14 bln vs estimates of $10.33 bln; profit also beats estimates

Co also raises FY adjusted profit forecast to between $7.43 and $7.56 per share, from $7.36 to $7.49

As of last close, PM stock up nearly 50% YTD