NEW YORK (AP) -- Shares of some top construction companies were mixed at the close of trading:
Fluor fell $.07 or .1 percent, to $64.93.
Foster Wheeler rose $.10 or .4 percent, to $23.23.
Quanta Services Inc. fell $.10 or .3 percent, to $29.30.
Japanese stocks turned negative on Friday and the yen reversed early losses, keeping intact worries that the Nikkei's …