Giroud's clever header in the 85th minute secured the points after Lacazette had taken just 94 seconds to make his mark with a header from Mohamed Elneny's curling cross, equalling the record for the fastest opening goal in a Premier League season.
But Wenger revealed after the dramatic clash that Giroud "decided to stay" at the Emirates and he is "really loved" at the club.
Giroud, 30, started just 11 Premier League matches last season and scored 12 goals.
Lacazette can integrate well into the game we want to play with his movement, combination, technical quality and efficiency, Wenger told Sky Sports. "I know how important he is not only as a player but also in the group". Yes, they've lost some players too, but they still have the prolific Sergio Aguero and have a squad capable of challenging in the Premier League and Champions League. "As a game is in 90 that would guarantee you a goal (in every game)".
Stock markets lower, gold price continues to rise amid political tensions
The CBOE Volatility Index, a barometer of expected near-term stock market volatility, closed at its highest since the election. On the currency markets, the pound slipped 0.1% against the dollar to $1.2968 but rose 0.1% against the euro to 1.1034 euros.
The 23-year-old England international has struggled to secure a regular place since arriving at Arsenal six years ago, but Wenger believes the winger has the potential to become a great player.
"I can't tell you that at the moment", he said.
Asked if he expected Al-Khelaifi to get in touch, Wenger replied: "No, no. I think if you read the French papers, they are on Mbappe's case to finish their transfer market".
Conor McGregor shows off boxing moves during open workout in Las Vegas
Let us know your thoughts. "I don't know how it got leaked", the 29-year-old said of the original controversial sparring photo. This is the biggest fight of my career so far and I'm going to do a number on Badou Jack on August 26'.
One of those was from playmaker Alex Oxlade-Chamberlain who, from the start, played the game with an attacking mentality and created a number of incredible chances.
"I suppose for Arsenal the big question is when Sanchez comes back, is he a replacement for Sanchez?"
Usain's cousin: "I'm happy Justin won it".
In fact, Bolt is favored to run in both the morning heats and the final , according to Reuters and the Jamaica Gleaner newspaper. When he surged clear to take 10,000m gold last week it was his 11th consecutive world or Olympic title, going back to 2011.
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