July 19 (Bloomberg) — Bloomberg’s Deborah Kostroun reports on the performance of the U.S. equity market today. U.S. stocks rose, sending the Standard & Poor’s 500 Index to its biggest rally since March, as President Barack Obama endorsed a bipartisan deficit-reduction plan and International Business Machines Corp. spurred the largest technology advance in a year. Bloomberg’s Pimm Fox also speaks. (Source: Bloomberg)