Mr Colao said Mr Read and Ms Della Valle were were the best people to take the group into its next stage, adding that the management team he has created would be his "real legacy".
"With positive results across the board, one would expect markets to react by buying the shares, and yet investors are clearly taking a dimmer view about the company's prospects with the CEO of 10 years on his way out", said Accendo Markets analyst Artjom Hatsaturjants.
"The chapter that Vodafone is now starting is completely new".
Vodafone shares dropped as much as 4.8 percent and were down 2.9 percent to 201.10 pence as of 11:31 a.m.in London.
On the face of it this appears to be sensible timing for change.
Nick Read is now the chief financial officer of Vodafone Group. "Colao has made a decision to leave before people start saying, 'You've been in the job too long"'.
On May 15, British communications company Vodafone announced that its CEO, Vittorio Colao, would be stepping down this year after a decade leading the firm.
But he will be best remembered for one of the world's biggest deals - the $130bn sale of its joint venture holding with USA group Verizon.
Vodafone Group did not include India business in their financial performance.
The announcement comes less than a week after Vodafone unveiled a deal to turn it into Europe's largest cable and broadband operator by buying assets from US peer Liberty Global.
Read will be left to convince regulators to approve the deal with Liberty, which is facing stiff opposition from Deutsche Telekom and isn't due to close until mid-2019.
Vodafone Group CEO Vittorio Colao is to step down from the company following a decade in charge of the United Kingdom operator.
Data traffic on network of Vodafone India increased four fold but the company could not reap financial benefits because of sharp decline in data prices.
'The UK remained the sick man of Europe during 2017/18, with service revenues down 3.6% organically to €6.1bn, versus growth of between 1% and 2.6% in the other main markets, ' says Megabuyte analyst Philip Carse today. He has been with the company for more than 12 years.
"It really is an opportunity to elevate what we offer for our customers", Read said to reporters. "And of course there's a big opportunity of integrating these new businesses, both Liberty and over in India".
The inaugural report was meant to "help our teams understand what is happening" on the site, he said. In total the social network took action on 3.4m posts or parts of posts that contained such content.
Not so lucky: Last Man on Earth , which Fox canceled, along with The Mick , Lucifer , and The Exorcist . As critically-acclaimed as Brooklyn Nine-Nine was, it averaged less than 3 million viewers a week.
The team wanted to test whether they could transfer "memories" to make untrained snails react the same way as the trained ones. The research, published in the journal eNeuro , could provide new clues in the search for the physical basis of memory.
I'm just trying to live life without her on a very emotional set of time that has been very hard for me. I just want John and I both to live happily ever after, whether it's together or separate", Nikki said.
In recent months, Farah province has been the site of many battles between Afghan security forces and Taliban insurgents. However, another official said that "the Taliban captured several security checkpoints inside and around the city".
Her fearless admission surely won't go unnoticed, but only time will tell if those who harmed Perrette will be brought to justice. Clearly struggling with how much to say, she said she had to withhold the truth to "protect my crew, jobs and so many people ".
Another plaintiff by the name of Kyle Barbaro had his keyboard repaired, only have have it fail a second time a few weeks later. If that fails to solve the problem of non-responsive keys or repeated keystrokes, the only remaining option is fix .
The ban left ZTE's production in trouble, with the company saying this month that it had stopped its main operations as a result. Meanwhile, the National Retail Federation expressed concern that the two countries' trade dispute would harm the USA economy.
While it was Ferrari dominating Q1 and Q2, the team bagged pole where it mattered the most which was in Q3. His first pole since that race showed that the Silver Arrows were back at the front of the field.
It's a fantastic stadium - but there was something special at Highbury that you could never recreate when you build something new. That's what you want and after that you want the style of play, as the manager has an influence on the way you play football.
We asked if we could make other cardboard things like guitars and they [Nintendo] said, 'Of course! "We'll help you do it'". I'm not sure I'll catch this when it airs, but the glory of the internet age should have it uploaded shortly after.
Lee was at 204, a score that would have led The Players in all but three of the years since it moved to May in 2007. Woods said in a video released by the PGA Tour: "I birdied the first couple of holes and just kept it rolling".
"It's like Carrie Underwood reincarnated", Bryan said after Barrett owned the stage with a powerhouse performance of the song. He tested his chops admirably on " Still I Rise " by Yolanda Adams , which had the judges' panel in a flurry of emotions.
It is the second ruling from sport's highest court that has weighed heavily on Peru's first World Cup appearance in 36 years. Without the three extra points, Peru would have fallen below Chile and Paraguay in the standings and out of contention.
Participant search: This new feature will let you find anyone in a group by searching for participants on the group info page. Admin controls: WhatsApp has been rumoured to be working on admin controls for improving Groups experience for a long time.
It also apologised for "this unintentional mistake and is now conducting internal investigations to quickly rectify this mistake". Other T-shirts in the range show San Francisco, Paris, Japan and Canada but are decorated with national flags rather than maps.
The company hasn't been allowed to test self-driving cars without a human safety driver behind the wheel just yet. The company's fleet is now made up of Lexus RX450h SUVs, each outfitted with Apple's proprietary technology.
In the Senate, Minority Leader Chuck Schumer, D-N.Y., sent well wishes for "a speedy recovery to the first lady". Separately, a former Playboy model has revived her allegations of a 10-month affair with Trump, also in 2006.
The MPs plan to write to Facebook again to address gaps in its answers about how United Kingdom citizens may have been affected. The question over how many clicks or swipes it takes for users to change their privacy settings was also dodged.
Walker, who struggled all of previous year with Lyme disease, had his best finish since he won the 2016 PGA Championship. And then he found what Simpson calls the missing link, provided by former Players champion Tim Clark .
Dr Heidi Bauer, chief of the state health department's STD Control Branch, agreed that budget issues are part of the problem. According to the CDC, most people with chlamydia don't have symptoms , or those symptoms may not appear for several weeks.
From the Switch to the NES and SNES Classic Editions , Nintendo has failed to make enough devices to satisfy the demand for them. The video game company saw the overwhelming demand for the product and chose to introduce a new wave of the classic systems.
Howard said. "Also some of the humor around some of the action in Willow was something I inspired to get into Solo ". On Saturday, Alden Ehrenreich sat down with Entertainment Tonight for an interview about Solo: A Star Wars Story .