Stock Markets Tread Water as Twitter Subscription Rumors Swirl; Lennar Rises on Housing Hopes

Helping to lead stocks higher, social media giant Twitter (NYSE: TWTR) was up 6%, while homebuilder Lennar (NYSE: LEN) picked up 5%. Twitter shares have rebounded sharply during July, rising nearly 20% in just over a week's time. Rival Facebook (NASDAQ: FB) has gotten the most attention, as dozens of high-profile companies have pulled advertising from its platforms because of Facebook's failure to address concerns about hate-speech posts.