04:00 PM EDT, 10/21/2025 (MT Newswires) -- US equity indexes were mixed ahead of Tuesday's close, with the Dow Jones Industrial Average gaining amid strong quarterly results.

The Dow climbed 0.6% to 46,990.7, the S&P 500 added 0.1% to 6,744.7, and the Nasdaq Composite little changed at 22,988.1. Consumer discretionary and industrials were among the top gainers. Utilities, communication services, and materials led the decliners.

3M ( MMM ) reported Q3 adjusted earnings and net sales above analysts' expectations after posting strong growth from a year ago. Shares surged 7.5%, the Dow's top performer.

Coca-Cola (KO) reported better-than-expected fiscal Q3 earnings amid pricing and volume gains. Shares jumped 3.9%, the second-biggest gainer on the Dow.

General Motors ( GM ) lifted its full-year earnings outlook while lowering expected tariff headwinds after Q3 results topped market estimates. Its shares soared 14%, the leader on the S&P 500.

Warner Bros. Discovery's ( WBD ) shares surged 12%, among the top performers on the S&P 500, after the media and entertainment giant said it is open to a potential sale as it initiated a review of strategic alternatives after receiving interest from "multiple parties."

Gold futures sank 5.4% to $4,122.51, diving from Monday's all-time high.

Most US Treasury yields fell, with the 10-year yield down 2.9 basis points to 3.96%, the lowest since April on an intraday basis.