NEW YORK--(BUSINESS WIRE)--Lightweight metals leader Alcoa (NYSE:AA) today reported a jump in fourth quarter and full-year 2014 profits, culminating a year of significant transformation for the Company. Alcoa is reshaping its portfolio for profitable growth by building its innovative, multi-material value-add businesses and by creating a globally competitive commodity business. In fourth quarter 2014, Alcoa reported net income of $159 million, or $0.11 per share, which includes $273 million in