The Semiconductor Industry Association , representing U.S. leadership in semiconductor manufacturing and design, today announced that worldwide sales of semiconductors reached $28.5 billion for the month of January 2015, the industry's highest-ever January total and an increase of 8.7 percent from January 2014 when sales were $26.3 billion. Global sales from January 2015 were 2 percent lower than the December 2014 total of $29.1 billion, reflecting normal seasonal trends.