Zillow  Inc. Z +0.92%   has reached a deal to buy rival Trulia  Inc., TRLA +15.42%   an expected agreement that brings together two of the biggest names in the fast-growing market for online real estate information.   Zillow will issue about $3.5 billion in stock to acquire Trulia. The offer values Trulia at about $70.53 a Read more about Trulia to be Bought by its Rival Zillow[…]