Premarket Roundup: Ford, Yahoo

Among the premarket stories for Wednesday, April 22, from AP Financial News:

NEW YORK (AP) — Ford Motor Co. is best positioned to benefit from a sweeping "sea change" in the U.S. auto industry as its Detroit competitors file for bankruptcy and auto sales begin to pick up again, an analyst said, adding Ford shares to a list of top picks.

NEW YORK (AP) — Shares of Yahoo Inc. advanced in premarket trading Wednesday, with Wall Street analysts praising the company's efforts to trim costs amid a severe advertising downturn.

HARTFORD, Conn. (AP) — An analyst cut his revenue estimate for Lockheed Martin Corp. Wednesday while raising his earnings forecast, a day after the defense contractor reported that its first-quarter earnings fell nearly 9 percent.

NEW YORK (AP) — Norfolk Southern Corp. shares fell in Wednesday premarket trading after the railroad operator said its first-quarter profit fell 39 percent, missing Wall Street expectations, on a steep drop-off in shipping demand.

NEW YORK (AP) — Shares of Advanced Micro Devices Inc. slid in premarket trading Wednesday after the chip maker posted a wider first-quarter loss.