Apple's decision portends more restrictions coming back as coronavirus cases increase and the reopening process stalls, said Edward Moya, senior market analyst at currency brokerage OANDA.
The $1,750 mark "has been a big barrier for gold and speaks strongly that the safe-haven trade is not going away anytime soon," Moya said.
Stocks in Europe pared some gains but closed higher before the Apple news broke. Investors remained hopeful that a massive 750 billion euro stimulus package will soon be passed, though European Union leaders made little progress in negotiations.
The Nasdaq's surge above the 10,000 mark, putting it on track to set a record closing high, was foiled by Apple.
MSCI's gauge of stocks across the globe shed 0.05% while the pan-European STOXX 600 index rose 0.56%. Emerging market stocks rose 0.65%.
On Wall Street, the Dow Jones Industrial Average fell 108.29 points, or 0.42%, to 25,971.81. The S&P 500 lost 8.7 points, or 0.28%, to 3,106.64 and the Nasdaq Composite dropped 3.15 points, or 0.03%, to 9,939.91.
Investors have been tugged in opposite directions by improving economic data and new breakouts of COVID-19 infections. California, North Carolina and a string of U.S. cities have mandated or urged mandatory mask use to contain spiraling coronavirus cases.
Mainland China reported 32 new coronavirus cases as of the end of June 18, 25 of which were reported in Beijing, China's National Health Commission said.
Oil prices pulled back sharply from early highs on concerns the pandemic's continued spread could stall the recovery.
Boston Federal Reserve President Eric Rosengren said more fiscal and monetary support for the U.S. economy will likely be needed, echoing comments by the European Central Bank chief, who said the EU's economy was in a "dramatic fall."
Brent futures rose 68 cents to settle at $42.19 a barrel while U.S. crude settled up 91 cents at $39.75.
ECB President Christine Lagarde called on EU leaders to agree on their recovery plan quickly, diplomatic sources and officials said. The leaders are divided over its final size but hope a deal will be struck in July.
The dollar index rose 0.191%, with the euro down 0.15% to $1.1185 and the Japanese yen up 0.09% versus the greenback at 106.89 per dollar.
Demand for German government debt was little changed, with the benchmark 10-year Bund yield at -0.415%.
Benchmark 10-year notes 0.5 basis points to yield 0.6986%, coming off higher yields of 0.745% earlier in the session.
U.S. gold futures settled 1.3% up at $1,753 per ounce.
(Reporting by Herbert Lash; additional reporting by Elizabeth Howcroft in London; editing by Dan Grebler and Nick Zieminski) ((email@example.com; 1-646-223-6019; Reuters Messaging: firstname.lastname@example.org))