Major U.S. indexes edged lower at midday Tuesday after a mixed set of corporate earnings reports. The Dow, S&P 500, and Nasdaq all lost ground.

Lockheed Martin ( LMT ) shares fell as the aerospace and defense contractor missed third-quarter revenue estimates on a slowdown in sales of its F-35 fighter jet.

Shares Verizon Communications ( VZ ) slipped after the telecom giant also posted lower-than-expected revenue as wireless equipment sales dropped.

Genuine Parts ( GPC ) shares plunged after the automotive parts dealer’s profit came short of forecasts and it slashed its guidance on sluggish industrial demand and weakness in the European market.

General Motors ( GM ) shares gained after the Big Three automaker reported results that beat estimates and boosted its outlook as it benefited from steady pricing and cost controls.

Philip Morris International ( PM ) shares gained as the tobacco company reported better-than-expected results and raised its guidance on strong demand for nicotine pouches.

German business software giant SAP’s ( ) results exceeded forecasts as well, sending its U.S.-listed shares to a record high .

Oil futures rose, and gold prices climbed to all-time highs. The yield on the 10-year Treasury note advanced. The U.S. dollar was up on the euro, pound, and yen. Most major cryptocurrencies traded lower.