By the numbers: Worst Nasdaq month in 7 years

Published Fri, Jan 29 20162:44 PM ESTUpdated Fri, Jan 29 20163:01 PM EST

(The following article is a CNBC Pro free preview. Click here to subscribe). In one of the most volatile months in recent memory, U.S. stocks are on pace to close broadly in the red along with the rest of global markets. Among the major indexes, the small-cap Russell 2000, Nasdaq composite and biotech sector were hit the hardest, each down at least 9 percent in January. The only areas of the market bucking the trend were utilities and telecom stocks, which are seen by investors as defensive plays. Read More Trade it: Where to hide during recessions Here's your full data rundown of the carnage in stocks and commodities. The Dow is down 6 percent in January, tracking for its worst month since August 2015 when the index lost 6.6 percent. Only seven Dow components are positive in January: Verizon, Wal-Mart, McDonald's, P & G, J & J, Coca-Cola and 3M. S & P 500 is down 6 percent in January, on pace for its worst month since August 2015 when it lost 6.3 percent. Apple , the biggest stock in the S & P 500 by market capitalization, fell 9 percent in January, tracking for its seventh negative month out of the last eight. Nasdaq is down 9 percent in January, tracking for its worst month since November 2008 when it lost 10.8 percent. Small-cap Russell 2000 is down 10 percent this month, tracking for its worst month since September 2011 when it declined 11.4 percent. Biotech ETF is down 22 percent in January, tracking for its worst month ever back to its inception date: Feb. 5, 2001. Sectors in January: seven out of 10 sectors are negative led by materials, down nearly 12 percent. Increased volatility in January lifted demand for utilities and telecom stocks with both groups positive for the month. Consumer Staples are clinging to a small gain, lifted by shares of Reynolds American , up 8 percent in January, Campbell Soup , up 7 percent and Constellation Brands , also up 7 percent. WTI crude lost 10 percent of its value this month and is tracking for its third consecutive monthly loss. The U.S. dollar index is now slightly positive for the month helped by a 2 percent gain against the Japanese yen on Friday. World Markets: China's Shanghai composite ended January down nearly 23 percent, its worst monthly loss since October 2008 when the index plunged 24.6 percent.

Traders work on the floor of the New York Stock Exchange

Spencer Platt | Getty Images

(The following article is a CNBC Pro free preview. Click here to subscribe).

In one of the most volatile months in recent memory, U.S. stocks are on pace to close broadly in the red along with the rest of global markets.

Among the major indexes, the small-cap Russell 2000, Nasdaq composite and biotech sector were hit the hardest, each down at least 9 percent in January.

The only areas of the market bucking the trend were utilities and telecom stocks, which are seen by investors as defensive plays.

Here's your full data rundown of the carnage in stocks and commodities.

The Dow is down 6 percent in January, tracking for its worst month since August 2015 when the index lost 6.6 percent.
Only seven Dow components are positive in January: Verizon, Wal-Mart, McDonald's, P&G, J&J, Coca-Cola and 3M.
is down 6 percent in January, on pace for its worst month since August 2015 when it lost 6.3 percent.
Apple, the biggest stock in the S&P 500 by market capitalization, fell 9 percent in January, tracking for its seventh negative month out of the last eight.
Nasdaq is down 9 percent in January, tracking for its worst month since November 2008 when it lost 10.8 percent.
Small-cap Russell 2000 is down 10 percent this month, tracking for its worst month since September 2011 when it declined 11.4 percent.
Biotech ETF is down 22 percent in January, tracking for its worst month ever back to its inception date: Feb. 5, 2001.
Sectors in January: seven out of 10 sectors are negative led by materials, down nearly 12 percent.
Increased volatility in January lifted demand for utilities and telecom stocks with both groups positive for the month.
Consumer Staples are clinging to a small gain, lifted by shares of Reynolds American, up 8 percent in January, Campbell Soup, up 7 percent and Constellation Brands, also up 7 percent.
WTI crude lost 10 percent of its value this month and is tracking for its third consecutive monthly loss.
The U.S. dollar index is now slightly positive for the month helped by a 2 percent gain against the Japanese yen on Friday.
World Markets: China's Shanghai composite ended January down nearly 23 percent, its worst monthly loss since October 2008 when the index plunged 24.6 percent.