U.S. stock-index futures tumbled on concern a potential Lehman Brothers Holdings Inc. bankruptcy will add to banks' $514 billion of subprime-related losses.
Federal Reserve and U.S. Treasury officials met in an emergency session as Barclays PLC abandoned talks to acquire Lehman, the fourth-largest U.S. securities firm until last week. Bank of America Corp. also ended takeover discussions, according to a person with knowledge of the matter.
Standard & Poor's 500 Index futures expiring in December retreated 38.90, or 3.1 percent, to 1,219.60 at 6:07 p.m. in New York. The benchmark index for U.S. equities declined 15 percent this year, led by a 28 percent plunge in financial companies.