Group 1 - The core viewpoint of the article highlights that Maplebear, the parent company of grocery delivery platform Instacart, experienced a significant stock increase of over 11.3% after reporting strong second-quarter earnings [1] - Maplebear's second-quarter revenue grew by 11% year-over-year to $914 million, surpassing analyst expectations of $896 million [1] - Adjusted EBITDA for the second quarter increased by 26% year-over-year to $262 million, also exceeding the forecast of $242 million [1] Group 2 - The company's gross transaction value (GTV) rose by 11% year-over-year to $9.081 billion, exceeding the upper limit of the guidance range of $8.85 billion to $9.15 billion [1] - The number of orders increased by 17% year-over-year to 82.7 million, driven by a reduction in the minimum purchase amount for free delivery earlier this year [1] - For the third quarter, the company expects GTV to be between $9 billion and $9.15 billion, above the anticipated $8.96 billion, with adjusted EBITDA projected to be between $260 million and $270 million, also exceeding expectations [1]