Traders work on the floor at the New York Stock ExchangeVia Caroline Valetkevitch NEW YORK (Reuters) – Shares dropped 1 p.c in a extensive decline on Wednesday, led with the aid of a drop in Apple shares on concerns about slowing demand, whereas vitality and different commodity-associated shares sank for a 2d day this week. Apple Inc dropped 5.four percent to $403.26 and in brief fell beneath $four hundred for the first time considering that December 2011. A key provider, chipmaker Cirrus Common sense , gave a disappointing income forecast, fueling worries about weakening demand for the iPhone and iPad. …