Wall Street led higher by Alcoa, commodities

NEW YORK (Reuters) - Stocks hit a five-month high on Tuesday after strong import data from major metals consumer China and a bullish forecast by Alcoa boosted the outlook for commodities companies and pointed to a stronger global economy. Although Wall Street was concerned about sovereign debt auctions later in the week from Italy and Spain, the two countries at the center of the euro zone crisis, the focus remained on recent solid economic reports and optimism about the coming earnings season. ...