Market research agency, CarnegieGroup quoted the latest data from U.S. Semiconductor Industry Association (SIA) and World Semiconductor Trade Statistics (WSTS) organization,the three-month average of worldwide semiconductor sales is $ 24.55 billion in June 2012, a slight growth compared with 244 million U.S. dollars in May, but in terms of seasonally adjustment recession than in May. The analyst of CarnegieGroup ,Bruce Diesen due to very strong performance of the semiconductor market in May, with sales better than expected, so the seasonal performance in June is showing signs of deterioration; but he also emphasized that the $ 24.55 billion in sales performance in June is still very good,recently in the field of PC and mobile phones, there are some bad news, but it seems to go to be apparent in chip shipments data in the third quarter.Earlier this month, Diesen only cut its forecast for 2012 annual chip sales that the market performance this year will be flat with 2011 revenue by about $ 300 billion; his prediction data is similar to forecast of SIA and WSTS. Diesen also predicted that the chip market sales will grow by 7 percent in 2013. In addition, long ago, another market research firm,the chief executive of Future Horizons,Malcom Penn also lowered the company's chip sales growth forecast in 2012,from the original 8 percent to 4 percent, said the European debt crisis and other macroeconomic factors will delay market recovery .