HEADLINE STOCKS-Some U.S. stocks on the move on Oct. 8

(Updates to afternoon trading, adds Mosaic, Plains Exploration and Gardner Denver. Updates NCR)

NEW YORK, Oct 8 (Reuters) - Some U.S. stocks on the move on Thursday:

ALCOA INC (AA.N), $14.58, up 2.7 pct

The Dow component late Wednesday reported a surprise third-quarter profit. Analysts were expecting a loss. [ID:nL887485]

PEPSICO INC (PEP.N), $60.03, down 1.9 pct

The world's second-largest soft drinks maker reported third-quarter results. [ID:nN08473046]

MARRIOTT INTERNATIONAL INC (MAR.N), $26.60, down 1.3 pct

The company reported third-quarter results. [ID:nN07489601]

MOSAIC CO (MOS.N), $49.48, up 2.6 pct