Here’s a look at the companies making the biggest gains in pre-market trading: Cloud services company Oracle rose nearly 8% after announcing deals with Google and OpenAI. Oracle plans to make its database available to Google Cloud starting in November. There were also plans to collaborate with Microsoft and OpenAI to obtain additional computing power. Shares of Paramount Global fell 2.3% after National Amusements halted talks with Skydance over its proposed merger with Paramount, according to CNBC’s David Faber. Birkenstock — Shares fell 2.7% after Goldman Sachs downgraded its rating from buy to neutral. While the bank likes the German footwear company’s investment thesis, it said the stock has outperformed its broader group of luxury peers. Birkenstock shares are up about 21% year to date. Rentokil Initial – US-listed shares of the British pest control company rose 12% after Nelson Peltz’s Trian Partners said it had acquired a significant stake in the company. Klaviyo – Shares of the marketing automation company rose nearly 4% after Barclays upgraded its rating to overweight from equal weight. The firm called Clavijo “a rare bright spot among its competitors.” Rubrik – Shares rose 3.5% after the cloud data management company beat first-quarter revenue expectations. Revenue was about $187 million, compared with about $172 million expected by analysts polled by LSEG. Broadcom – Shares rose 1.7% ahead of Broadcom’s quarterly earnings report on Wednesday. The stock has been on fire this year, soaring more than 30%. General Stores Casey’s shares rose 5% after the company’s earnings and revenue beat post-market estimates on Tuesday. Earnings per share were $2.34 versus $1.72 expected by analysts polled by FactSet. Revenue was $3.6 billion, compared with the consensus estimate of $3.47 billion. — CNBC’s Sarah Min and Brian Evans contributed reporting. Correction: A previous version of this article misstated the consensus earnings estimate for Casey’s General Stores.