Deals of the day- Mergers and acquisitions
(Adds Google, Twitter, Glencore Xstrata, TIAA-CREF; Updates Disney, ThyssenKrupp, Glencore, Insurer Endurance)
April 14 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1600 GMT on Monday:
** TIAA-CREF, a retirement services provider to non-profit organizations such as universities and hospitals, said it would acquire asset manager Nuveen Investments for $6.25 billion, seeking to expand its mutual fund and municipal bond offerings.
** Google Inc has acquired solar-powered drone maker Titan Aerospace as the Web search giant ramps up plans to deliver wireless Internet access to remote parts of the world.
** Ivory Coast said it had signed an initial agreement with a consortium including France's Bouygues and South Korea's Hyundai and Dongsan Engineering to build a 1 billion euro ($1.4 billion) urban rail line in Abidjan.