NEW YORK ( TheStreet) -- U.S. stocks finished Tuesday lower as Wall Street fretted about the possibility of a cooling Chinese economy. The Dow Jones Industrial Average fell 68.94 points, or 0.52%, to 13,170.19. The S&P 500 dropped 4.23 points to 1,405.52, and the Nasdaq Composite lost 4.17 points to 3,074.15. Breadth within the Dow was negative with 20 of the index's 30 components posting losses. Kraft Foods ( KFT) and Procter & Gamble ( PG) finished Tuesday flat. The biggest percentage decliners among the blue chips were Caterpillar ( CAT), United Technologies ( UTX) and Alcoa ( AA).
Shares of Caterpillar dropped 2.61% to $110.76. The construction equipment maker reported that February sales rose in each of its geographic regions but they were doing so at a slower rate than in past months. TheStreet Ratings gives Caterpillar an A grade with a buy rating and a $131.03 price target. Alcoa shares fell 1.51% to $10.44. Mining firmsRio Tinto ( RIO) and BHP Billiton ( BHP) said they are see decreasing demand in China for iron ore, which hurt other mining companies' stocks on Tuesday. Shares of United Technologies dropped 1.61% to $83.26. TheStreet Ratings gives United Technologies an A- grade with a buy rating and a $100.36 price target. Other stocks that fell more than 1% include: Chevron ( CVX) which fell 1.46% to $109.08; DuPont ( DD) down 1.01% to $52.71; and Hewlett-Packard ( HPQ) which lost 1.48% to $23.98. The biggest percentage gainer in the index Tuesday was Bank of America ( BAC). Shares rose 2.94% to $9.81. The bank has addressed rumors about a possible secondary offering saying it has "no intention of issuing additional equity." TheStreet Ratings gives Bank of America a C- grade and hold rating. -- Written by Alexandra Zendrian in New York. >To contact the writer of this article, click here: Alexandra Zendrian >To submit a news tip, send an email to: firstname.lastname@example.org. >To follow the writer on Twitter, go to Alexandra Zendrian.