20 May 2013 Last updated at 16:38 ET

Wall Street Market Report

Overview Stock markets Share prices Currencies Commodities Gilts & Bonds UK Earnings
	London \| Paris \| Frankfurt \| Tokyo \| Wall Street

Dow Jones Industrial Average

Last Updated at 20 May 2013, 16:04 ET *Chart shows local time

value	change	%
15335.28	- -19.12	- -0.12
Top winner and loser
Alcoa Inc.
8.76	+ +0.15	+ +1.74
Merck & Co. Inc.
45.21	- -0.78	- -1.70

value	change	%
Nasdaq Index
3496.43	- -2.54	- -0.07
S&P 500 Cash Index - Chicago Mercantile Exchange
1666.29	- -1.18	- -0.07

(Close): Shares in New York had a flat start to the trading week.

News that internet search engine giant Yahoo was buying blogging platform Tumblr failed to spark much in the way of share price action, leaving Yahoo up 0.23%.

The Dow Jones closed down 0.1% at 15,335 points in light trading volume and the S&P 500 index also fell 0.1% to 1,666.

Pharmaceutical firm Merck was the Dow's biggest loser, down 1.7%.

The shares fell after US authorities questioned dosage levels of its experimental insomnia drug.

Apple 'among US's big tax avoiders'

Apple is accused of being "among America's largest tax avoiders" by a Senate committee, who says the company avoided paying billions of dollars in US taxes.