Temporary Cap News Today

Twitter CEO defends temporary tweet limit while addressing concerns of data scraping and system manipulation. Advertising remains stable despite criticism.

>> greta: theres much more ahead but first to our new york newsroom. >> reporter: all eyes will be on wall street tomorrow after stocks plummet wednesday. the dow falling more than 260 points markets biggest loss in six weeks. all major indexes dropping 2% now showing losses for the year. investors seen as reacting to reports the u.s. trade deficit widened in june. a sign the nations economy grew less than expected in the second quarter. threats of bad weather in the gulf shutting down efforts t...