Citigroup posted a smaller-than-expected drop in profit for the third quarter as debt underwriting propped up investment banking results.The third-largest U.S. lender's dealmakers joined rivals at JPMorgan Chase and Wells Fargo in benefiting from a rebound in capital markets as corporate clients issued more debt and equity.

The bank's third-quarter report was stronger than Wall Street expected but still showed a year-over-year decline in earnings.

Stocks were falling Tuesday as tumbling chip stocks sent the S&P 500 lower.These stocks were making moves Tuesday:ASML Holding, the Dutch manufacturer of chip-making equipment, was falling 17% after reporting third-quarter earnings and revenue that rose from a year earlier but orders in the period that were well under Wall Street estimates,