Communications services companies rose as investors bet the sector would benefit from changes in media-consumption habits.

Streaming services may have access to first-run movies much sooner than previously, if other companies follow Comcast Universal's deal with cinema chain AMC Entertainment.

Cable operator Charter Communications saw shares rise after it bucked the cord-cutting trend during the second quarter, adding 102,000 pay-TV customers.

A group of members of Congress asked the Federal Trade Commission to open an investigation into the mobile advertising industry's practice of covertly tracking consumers using digital display ads.


 Write to Rob Curran at rob.curran@dowjones.com