NEW YORK/LONDON – Global shares treaded water on Monday as sharp falls in gold and oil prices and concerns over the spread of the coronavirus Delta variant dented sentiment.

US stock indexes dropped at the open.

The Dow Jones Industrial Average fell 99.67 points, or 0.28 percent, to 35,108.84, the S&P 500 lost 5.98 points, or 0.13 percent, to 4,430.54 and the Nasdaq Composite added 7.66 points, or 0.05 percent, to 14,843.43.

European shares ticked slightly higher after a mixed start, while other regional indexes stayed near recent highs with earnings season winding down.

The pan-European STOXX 600 index rose 0.07 percent and MSCI's gauge of stocks across the globe shed 0.02 percent.

Markets were shaken by a sudden dive in gold, as a break of US$1,750 triggered stop-loss sales to take it as low as US$1,684 an ounce.

Spot gold dropped 1.3 percent to US$1,739.81 an ounce. US gold futures fell 1.02 percent to US$1,742.10 an ounce.

Oil prices fell as much as 4 percent, extending last week's steep losses on the back of a rising US dollar and concerns that new coronavirus-related restrictions in Asia could slow a global recovery in fuel demand.

US crude recently fell 2.86 percent to US$66.33 per barrel and Brent was at US$68.74, down 2.77 percent on the day.

Holidays in Tokyo and Singapore made for thin trading conditions, adding to the volatility. Yet after an initial fall, MSCI's broadest index of Asia-Pacific shares outside Japan recovered to be up 0.1 percent.

The US Senate came closer to passing a US$1 trillion infrastructure package, though it still has to go through the House.

Investors were still assessing whether Friday's strong US payrolls report would take the Federal Reserve a step nearer to winding back its stimulus.

"What we're seeing is a little bit of early profit-taking on the back of fear that tapering will come in earlier in September," said Sebastien Galy, senior macro strategist at Nordea Asset Management. "But as you can see, it has little impact because the effect of a better economy far outweighs the substitution effect of higher interest rates."

Longer taper

However, the pace of tapering was still up in the air and would decide when an actual rate increase comes, he said. The Fed is buying US$120 billion of assets a month, so a US$20 billion taper would end the programme in six months while a US$10 billion tapering approach would take a year.

The spread of the Delta variant could argue for a longer taper, with US cases back to levels seen in last winter's surge with more than 66,000 people hospitalized.

Figures for July CPI due this week are also expected to confirm inflation has peaked, with prices for second-hand vehicles finally easing back after huge gains.

Four Fed officials are speaking this week who will no doubt offer enough grist for markets looking for clues on the timing of tapering.

In the meantime, stocks have been mostly underpinned by a robust US earnings season. BofA analysts noted S&P 500 companies were tracking a 15 percent beat on second-quarter earnings with 90 percent having reported.

"However, companies with earnings beats have seen muted reactions on their stock price the day following earnings releases, and misses have been penalized," they wrote in a note.

"Guidance is stronger than average but consensus estimates for two-year growth suggest a slowdown amid macro concerns."

Benchmark 10-year notes last rose 3/32 in price to yield 1.28 percent, from 1.288 percent late on Friday.

The dollar index fell 0.12 percent, with the euro up 0.02 percent to US$1.1762.