(Updates to midday, changes byline)
By Jennifer Coogan
NEW YORK, Feb 15 (Reuters) - U.S. stocks fell on Friday on worries about consumer spending after electronics retailer Best Buy <BBY.N> warned that shopper traffic dropped off right after the holidays and a key measure of consumer sentiment fell to a 16-year low.
Best Buy's warning dragged on other retailers' shares. Shares of rival electronics retailers Circuit City <CC.N> and RadioShack both fell more than 4 percent. An index of retail stocks <.RLX> was down 1.1 percent.
The Reuters/University of Michigan Surveys of Consumers index of consumer sentiment for February dropped to the lowest level since February 1992, a level that has previously signaled recession. Data showing a softness in manufacturing in New York State added to the negative tone, along with persistent worries about the stability of struggling bond insurers. For details, see [
].Shares of companies perceived as economic bellwethers, such as Caterpillar Inc <CAT.N> and United Technology <UTX.N>, were among the top drags on the Dow.
"We're extending yesterday's decline due to some poor economic reports," said Todd Salamone, vice president of research at Schaeffer's Investment Research in Cincinnati. "We came out of the gate selling and haven't had a catalyst to go higher since those reports came out."
The Dow Jones industrial average <
> was down 74.21 points, or 0.60 percent, at 12,302.77. The Standard & Poor's 500 Index <.SPX> was down 8.82 points, or 0.65 percent, at 1,340.04. The Nasdaq Composite Index < > was down 20.94 points, or 0.90 percent, at 2,311.60.Best Buy's stock fell 3.7 percent $44.06. Circuit City shares were down 5.2 percent to $4.78. RadioShack shares fell 4.3 percent to $15.02. [
].Shares of United Technologies, whose products range from Otis elevators to Black Hawk military helicopters, fell 1.9 percent to $71.30, while heavy equipment maker Caterpillar fell 1.3 percent to $69.54.
In the latest development with struggling bond insurers, FGIC Corp, whose main unit has lost its top credit ratings from all three agencies, told New York regulators it wants to be split into two companies, New York Insurance Superintendent Eric Dinallo said on Friday.
Shares of other bond insurers lost ground. MBIA Inc <MBI.N> fell 6.2 percent to $11.84, while Ambac Financial <ABK.N> fell 5 percent to $10.
Kraft Foods Inc <KFT.N> shares were trading higher after billionaire investor Warren Buffett said he had taken a stake in the company.
Berkshire Hathaway Inc <BRKa.N><BRKb.N>, the holding company controlled by Buffett, said on Thursday it has taken an 8.6 percent stake in Kraft, whose shares rose 6.5 percent to $31.20.
U.S. financial markets will be closed on Monday for the Presidents Day holiday, and the bond market is expected to close early on Friday. (Editing by Leslie Adler)