Bond analysts have grown decidedly lukewarm on Merrill Lynch & Co., though merger speculation continues to dog the firm.

Whenever rumors about Merrill resurface, spreads-the basis-point difference between the yields of Treasuries and of corporate bonds-tighten as investors snap up the securities in hopes of reaping profits.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.