European equities mixed, Wall Street lower before Fed

European stock markets were mixed Wednesday and Wall Street opened lower after sliding oil prices helped reverse gains a day earlier and investors reacted to disappointing results from Apple and Boeing. Ahead of a US interest rate decision and in the wake of falling Chinese equities, shares on Frankfurt's DAX index slipped slightly, while Paris and London edged marginally upwards. Most Asian stocks pushed higher, aided by the falling oil prices that cut fuel costs for companies, with Shanghai st