Twitter shares up 6.5% on back of bullish advertiser forecast

Twitter shares have surged 6.5% on the back of an uncharacteristically positive outlook for its commercial prospects as advertisers gave the micro-blogging service their ‘best relative feedback’ in more than two years.
Having struggled to gain traction amongst advertisers the service appears to have turned a corner as it rode a wave of renewed investor optimism fueled by user growth, changes to its ad delivery and a renewed focus on live content.
Triggering the bounce was Cleveland R