Barcelona were now knocking the ball around with their usual swagger but they were stopped in their tracks five minutes from time when a poor challenge from Ousmane Dembele on Parejo gave Valencia a penalty.
Valencia are among the sides to have troubled Barca this season, having coming within eight minutes of beating them in December before the sides drew 1-1.
Four minutes after Barca's opener, Rodrigo Moreno took advantage of a defensive mix-up to strike a shot which Andre Ter Stegen pushed onto the crossbar with his left hand.
Manika-Mouma win maiden doubles silver
Satwik then paired up with Chirag Shetty to get past Malaysian men's doubles pair of Chan Peng Soon and Huat 21-14, 15-21, 21-9. The Indian paddlers have the chance to increase the country's tally if they win the mixed doubles bronze medal match tomorrow.
The two goals aside, the league leaders were kept relatively quiet as an attacking force.
Barca were two up six minutes after the restart when Samuel Umtiti beat Gabriel Paulista to head a Coutinho corner down past Neto in the visitors' goal.
Valencia's belief was dwindling and two acrobatic volleys, from Lionel Messi and then Andres Iniesta, nearly added a spectacular third, as the first flew just over and the second was parried by Neto.
"We played a good match today, too bad we were missing our finishing touch", Valencia coach Marcelino Garcia Toral said. We knew that the fans were angry and we were also hurting. We're sorry for what happened.
New streamlined structure for VW
Volkswagen surprised markets earlier this week when it revealed it was considering reshuffling its board and replacing Mueller. He assumes control from Matthias Mueller , who was designated in 2015 at the stature of the diesel emanations outrage.
"The sensation is that we have failed, that we have disappointed the supporters but we have to look forward and not lose sight of what we can still achieve this season".
Rivaldo, who won the Champions League for the first time a year after leaving Barca for AC Milan, was saddened to see his old club crash out but believes the game will benefit.
Valverde admitted that Messi was devastated by the loss although he urged the five-time Ballon d'Or victor to put the disappointment behind him and do his utmost to ensure that they win La Liga and Copa del Rey titles.
Kathua rape case: PDP wants two BJP ministers out, may break alliance
Mehbooba Mufti also chaired a meeting of Peoples Democratic Party (PDP) legislators and senior ministers in Srinagar . Certainly, there was a lack of discretion. "What rubbish! They are HER ministers, not the Hon (ourable) PM's".