Analysts said the GE disappointment also played into doubts about whether the US economy is recovering sufficiently to boost company profits. GE, which makes everything from refigerators to aircraft engines, is sometimes regarded as a proxy for the economy as a whole and its lack of sales growth concerned some economists worried about 'stagflation' - a stagnant economy accompanied by inflation. The latter became more of a concern after Washington reported that import prices in March rose 1.1%, the biggest gain since September 2000, partly due to a sharp jump in petroleum prices.