Among the premarket stories for Tuesday, April 22, from AP Financial News:
NEW YORK (AP) _ Shares of CME Group Inc. slid in premarket trading Tuesday after the operator of the Chicago Mercantile Exchange reported first-quarter profit below Wall Street estimates.
NEW YORK (AP) _ UnitedHealth shares are falling premarket after the insurer reported a weaker-than-expected profit in the first quarter and cut its 2008 forecasts.
NEW YORK (AP) _ Amylin Pharmaceuticals Inc. shares continued to slide in Tuesday premarket trading after a BMO analyst downgraded the stock, saying sales of Amylin's diabetes drug Byetta will stay weak due to stiff competition.