Check out the companies making the biggest moves midday: Carnival — The cruise line jumped nearly 7% after beating second-quarter earnings and revenue that topped analysts’ expectations. Carnival reported adjusted earnings of 35 cents per share on revenue of $6.33 billion. Analysts were expecting earnings of 25 cents per share on revenue of $6.21 billion, according to FactSet. Other cruise operators followed Carnival higher. Norwegian Cruise Line gained almost 5%, while Royal Caribbean and Viking Holdings both advanced more than 2%. Uber — The ride-share platform climbed nearly 8%. Waymo is now offering robotaxi rides to the public in Atlanta through the Uber app . Airlines — Airlines rose following a drop in oil prices after President Donald Trump announced a ceasefire in Iran and Israel. Frontier Group climbed 6%, while Alaska Air and American Airlines popped roughly 4%. United Airlines gained around 2% along with Delta. JetBlue advanced 4%. Advance Auto Parts — The specialty retail stock dropped close to 9% after being downgraded to sell from neutral at Goldman Sachs. The investment firm said Advanced Auto Parts might be losing market share to its main rivals and that the stock appears to be trading at an extended valuation. CleanSpark — Shares of the bitcoin miner jumped more than 9%. On Tuesday, CleanSpark announced that it achieved its midyear operational hashrate target of 50 exahashes per second. Operational hashrate is a measure of computing power for mining bitcoin. Coinbase — Shares of the crypto exchange operator popped 10% as cryptocurrencies climbed, demonstrating the digital asset market’s reactive nature to global geopolitical events and leading other providers of crypto trading services higher. Robinhood and eToro each gained about 6%. Galaxy Digital , a crypto-focused financial services firm, advanced 5%. Defense stocks — Defense stocks fell after Trump said Tuesday that a ceasefire in the Iran-Israel conflict is in effect. Shares of Lockheed Martin and RTX dropped 2.6% and 3.2%, respectively. Kratos Defense & Security Solutions slid almost 6%. Oil — Oil stocks were modestly lower after Trump announced a ceasefire in effect between Israel and Iran. Exxon Mobil dropped more than 2%, while Chevron dipped 1.8%. The Energy Select Sector SPDR Fund (XLE) dropped 1%. Visa , Mastercard — Visa and Mastercard both rose more than 2% after Wells Fargo reiterated overweight ratings on the payments providers, saying investors should take advantage of the recent pullback. First Financial Bancorp — Shares gained 1.7% after the Cincinnati-based bank agreed to buy Westfield Bancorp from Ohio Farmers Insurance Company for $325 million in cash and stock. Thor Industries — The owner of RV brands gained almost 2% after authorizing a $400 million buyback. Snowflake — The cloud-based online data storage company rose 4% after Morgan Stanley upgraded it to overweight from equal weight. The investment bank, which says Snowflake has more than 22% upside, is confident artificial intelligence growth will boost the stock. — CNBC’s Michelle Fox, Alex Harring, Jesse Pound, Sean Conlon, Sarah Min and Tanaya Macheel contributed reporting.