LUKoil Profit rises 8.4%

    OAO LUKoil, Russia's second-largest oil producer, said second-quarter profit rose 8.4 percent to a record, boosted by higher refinery sales and rising crude prices.     Second-quarter net income increased to $2.52 billion, or $3.03 a share, fr om $2.32 billion, or $2.80, a year earlier, Moscow-based LUKoil said today in a...