[co-head of Citigroup Investment Banking: cautiously optimistic about the prospects for the debt ceiling deal] Dickson, co-head of Citigroup's investment banking business, said he was "cautiously optimistic" about the prospects for the debt ceiling deal; there are signs that the Federal Reserve can achieve its goal of promoting a soft landing for the US economy; leveraged financial markets have shown momentum for the better. The banking industry is optimising its staff size based on the revenue picture; the investment banking industry will usher in further consolidation.