Stock and bond sales by investment banks totaled $1.36 trillion in the second quarter, a 33% decline compared with the same period last year. The amount is the lowest quarterly total since late 2008, according to Dealogic. JPMorgan Chase retained its No. 1 position among underwriters, with more than $245 billion in new issues in the first six months of 2010. Bank of America Merrill Lynch and Barclays Capital round out the top three.