Philip Morris in merger talks with Altria; e-cigs at stake

(Reuters) - Philip Morris International Inc and Altria Group Inc are discussing an all-stock merger, potentially reuniting two of the world's largest tobacco companies in a bid to dominate the fast-growing electronic-cigarette market.Shares of Altria, which was spun out of Philip Morris more than a decade ago, rose more than 6% but later erased gains to trade 3.3% lower after CNBC reported the deal had no premium. Philip Morris shares fell 6.8% as some analysts questioned the rationale for the..