Bond investors — who have sent spreads on the debt of the big U.S. money-center banks to their tightest levels of the year — are now positioning for new issuance, with Goldman Sachs and Morgan Stanley both tapping the high-grade debt market on Wednesday.

Goldman Sachs' profit jumped 45% in the third quarter as the investment bank benefited from a rebound in dealmaking. It joined JPMorgan Chase, which also gained from an investment banking revival, as corporate clients became more confident in the economic outlook,

The bank reported growth in investment banking and asset and wealth management. Bank of America and Citigroup also showed robust dealmaking gains.

Goldman Sachs' third-quarter profit beat estimates, fueled by a rebound in bond sales, stock offerings and mergers, sending its shares up more than 3% on Tuesday. It joined JPMorgan Chase, which also gained from an investment banking revival,

While Goldman Sachs has made efforts under CEO David Solomon to diversify its revenue stream, it is Wall Street that powers the company.