Since our most recent rising stars report, Standard & Poor's Ratings Services has upgraded three issuers to investment grade ('BBB-' and higher) from speculative grade ('BB+' and lower), said an article published Monday, June 21, 2010 by Standard & Poor's Global Fixed Income Research. These three issuers--National Semiconductor Corp., E-CL S.A., and the Republic of Panama--bring the year-to-date 2010 total to 10 rising stars with rated debt worth US$24.46 (€19.91) billion, according to the