* Worry over potential bank levy hits financials
* Alcoa misses forecasts, Chevron warns on Q4 profit
* Dow off 0.5 pct; S&P 500 off 1.1 pct; Nasdaq off 1.4 pct
* For up-to-the-minute market news, click [
] (Updates to late afternoon, changes byline)By Ellis Mnyandu
NEW YORK, Jan 12 (Reuters) - U.S. stocks slid in a broad selloff on Tuesday as investors pummeled financials on concerns about a potential government levy on banks, while Alcoa Inc's disappointing results stoked unease about the economic recovery.
Banks led the financial sector lower, with the KBW bank index <.BKX> down nearly 2 percent, shares of Bank of America <BAC.N> off 4.2 percent, and both Citigroup <C.N> and JPMorgan <JPM.N> off 3 percent.
A senior U.S. official has confirmed President Barack Obama is considering a levy on financial services firms to recoup bailout losses as part of the fiscal 2011 budget he will unveil in February.
It is unclear how much the Obama administration will seek to recoup from banks, but a financial industry source in Washington said on Tuesday the fee could raise more than $100 billion.
Investors feared that a levy might hurt bank profits at a time when the sector was trying to recover from the financial crisis, analysts said.
"Talk of a levy creates even more uncertainty for the market and that's the reason for the financials to pull back," said Quincy Krosby, market strategist with Prudential Financial in Newark, New Jersey. "The sooner they can clarify the rumors the better for the market. Investors need to hear the specifics regarding this potential proposal."
The Dow Jones industrial average <
> shed 56.08 points, or 0.53 percent, at 10,607.91. The Standard & Poor's 500 Index <.SPX> dropped 12.10 points, or 1.05 percent, to 1,134.88. The Nasdaq Composite Index < > slid 32.26 points, or 1.40 percent, to 2,280.15.Shares of Alcoa, a Dow component, fell 11 percent to $15.53, their biggest one-day percentage slide since March as the aluminum company's weaker-than-expected results weighed on sentiment.
Investors had hoped Alcoa would kick off the latest quarterly earnings season on a positive note after their bets on the economic recovery sent Wall Street to 15-month highs.
News that China's central bank was tightening monetary conditions at a faster-than-expected pace in response to increasing concerns about the economy overheating added to the negative tone. [
]Shares of other big manufacturers took a knock, with Caterpillar Inc <CAT.N> sliding nearly 3 percent to $62.37. Technology shares also fell, including Apple Inc <AAPL.O>, off 1.6 percent to $206.80.
The banking sector faced another potential hit after the Federal Deposit Insurance Corp floated a proposal that banks whose compensation plans encourage risk-taking would have to pay more for deposit insurance. [
].Shares of big banks fared worse than their regional counterparts. The Obama administration last estimated taxpayer losses from TARP at about $141 billion on Dec. 6. Since then, Citigroup, Wells Fargo and Bank of America have repaid their government obligations.
Bank of America fell to $16.28, Citigroup dropped to $3.50 and JPMorgan fell to $43.21.
Chevron Corp <CVX.N> said its fourth-quarter profit would be sharply lower than the previous quarter, sending its shares down nearly 1 percent to $80.17.
Electronic Arts Inc <ERTS.O> cut its fiscal 2010 forecast, citing weak holiday sales in Europe. The video game publisher lost 8.3 percent to $16.74. [
]. (Editing by Kenneth Barry)