* Berkshire Hathaway to acquire Burlington Northern
* Two-day FOMC meeting to start
* UBS posts qtrly loss; RBS, Lloyds, agree to shake-up
* For up-to-the-minute market news, click [STXNEWS/US]
(Recasts, adds quote, byline, updates prices)
By Rodrigo Campos
NEW YORK, Nov 3 (Reuters) - U.S. stock index futures fell on Tuesday as the deal by Warren Buffett's Berkshire Hathaway to buy railroad company Burlington Northern was offset by poor results from Swiss lender UBS and a shake-up at two big British banks.
In its largest-ever acquisition, Berkshire Hathaway Inc
In premarket trade, Burlington shares surged 29 percent to $98.04. Among
its peers, Union Pacific Corp
Higher-than-expected accounting charges pushed UBS AG
"The European bank news is going to affect us to a large degree. That negative news has the dollar getting stronger, and that's going to mean a weaker market," said Tom Schrader, managing director of U.S. equity trading at Stifel Nicolaus capital Markets in Baltimore.
"Right now we're getting a little bit of help from Berkshire. M&A activity is always a good sign. But today, it's not going to be enough to overshadow the negative news coming out from the banking sector."
Shares of top U.S. banks Citigroup Inc
The Federal Open Market Committee begins a two-day meeting on interest rate policy and is expected to keep interest rates close to zero.
S&P 500 futures
(Additional reporting by Ryan Vlastelica; editing by Jeffrey Benkoe)