Wall Street slips on oil worries
(Close):Wall Street markets fell on Friday as oil prices slipped ahead of a weekend meeting that could result in a freezing of production.
Big oil producing nations meet this weekend in Qatar to discuss plans for a freeze in production levels.
But there is scepticism over whether such a deal would make much difference to the current oversupply of oil in the market.
The Dow Jones Industrial Average fell 28.97 points to 17,897.46.
Stocks in the energy sectors fell as another US bank - Citigroup - reported it was setting cash aside to cover losses on loans to the energy industry.
Shares of Apple dropped 2% after a report suggested the company was cutting iPhone production in the April-June quarter due to weak sales.
Investors also had a gloomy economic report to chew over.
US industrial production fell 0.6% in March, which was a bigger drop than analysts were expecting, and followed a 0.6% decline in February.