In New York, US stocks rose on Monday as a higher price target for shares of Apple Computer Inc generated enthusiasm for technology stocks and investors waved off worry about a decline in the dollar. Nasdaq component Apple jumped 11 per cent to $61.28 in active trading after Piper Jaffray raised its price target on the stock to $100 from $52. Struggling doughnut chain Krispy Kreme Doughnuts Inc tumbled 14 per cent on the New York Stock Exchange after reporting a quarterly net loss because of write-downs for closed stores and other costs.