Key TakeawaysMastercard (MA) and Kellanova (K) reported robust Q3 earnings, with Mastercard surpassing estimates across key financial metrics, including adjusted EPS of $4.38 and net revenue of $8.6 billion.Alphabet (GOOGL) surged 7.5% in pre-market trading following strong Q3 results that beat expectations for EPS, revenue, and cloud revenue, while Meta Platforms (META) plunged 9% due to a significant profit miss and a JPMorgan price target reduction.Roblox (RBLX) delivered an impressive Q3 performance, wi ...