By Anora Mahmudova and Barbara Kollmeyer, MarketWatch

NEW YORK (MarketWatch) -- U.S. stocks edged higher on Monday, pushing the main benchmarks into record territory for the fourth straight session.

With the economic calendar looking thin, investors are focusing on the benchmarks' record levels, as well as volatile commodity prices.

The S&P 500 (SPX) and Dow Jones Industrial Average (DJI) hit intraday records, while volatility on the main benchmark, as measured by the CBOE Vix index fell to its lowest level in seven weeks.

The Nasdaq Composite (RIXF) climbed, led by gains in the biotech and Internet stocks.

Randy Frederick, Managing Director of Trading and Derivatives at the Schwab Center for Financial Research, said falling oil prices will have a net positive effect on the economy.

"Falling oil prices will dent earnings of energy related companies, but lower gasoline prices will free up consumer spending. The consumer component of GDP far outweighs the corporate component," Frederick said.

However, he cautioned that the quick and robust recovery, amid heightened optimism and very low volatility have created an environment in which event-driven pullbacks are likely to be more severe.

Need to Know: Stocks overvalued by 100% or a new secular bull market?

Gold prices (GCZ4) fell to below $1,160 an ounce on Monday. Oil (CLZ4) prices spiked as much as 2% amid reports of renewed fighting in eastern Ukraine, but by midday fell by more than 1%.

Stocks to watch: Dendreon Corp.'s (DNDN) shares plunged on Monday after reports indicated that the cancer-treatment maker announced that it filed for Chapter 11 bankruptcy.

Rackspace Hosting Inc.(RAX) reports on Monday, along with Sotheby's(BID). See Movers & Shakers

General Motors Co.(GM.XX) shares were lower after The Wall Street Journal reported the auto maker ordered a half-million replacement ignition switches to fix Chevrolet Cobalts and other small cars nearly two months before it let federal safety regulators know there was a problem.

GoPro's stock (GPRO) slumped after the maker of wearable video cameras announced plans to sell $800 million shares of Class A common stock to the public.

Investors will be looking to see if retailers are benefiting from record levels of consumer sentiment and confidence this week. Retail sales data is due Friday and ahead of that plenty of individual companies will report, among them Wal-Mart Stores Inc.(WMT) on Thursday. See: Retail earnings to test those consumer sentiment highs

Hong Kong stocks rally on Stock Connect: A bright spot across global markets Monday was in Hong Kong, where the Hang Seng rose 0.8% after regulators said the Stock Connect program, which allows individual investors outside of China to buy Shanghai-listed shares for the first time ever, will start Nov. 17.

A batch of Chinese economic data showed in-line inflation and export growth that slowed from a year earlier, though it beat forecasts.

Europe stocks edged higher, while the dollar(DXY) pulled back from recent gains in the wake of U.S. jobs data.

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