A look at the companies making headlines in midday trading: Humana, UnitedHealth Group – Healthcare insurers collectively rallied on Monday as Donald Trump became more likely to win this year's presidential election, raising hopes of reduced cost pressures . Shares of Humana and UnitedHealth Group each rose about 1%. Wolf Research also listed Humana on Monday as a potential beneficiary of a Republican win. Trump Media & Technology – Shares jumped nearly 29% as investors reacted to Saturday's assassination attempt on former President Donald Trump, boosting confidence in Trump's victory in this year's presidential election. Trump Media is the parent company of social media platform Truth Social. Macy's — Shares of Macy's fell 12% after the department store ended talks with Arkhouse and Brigade, which wanted to acquire Macy's and take it private for about $6.9 billion. Sturm, Ruger & Company, Smith & Wesson — Shares of gun-making companies rose after a shooting at a Trump rally Saturday. Sturm, Ruger & Company rose 7% and Smith & Wesson rose 10%. Gun inventories tend to rise after mass shootings as investors bet individuals will buy more guns out of fear of more supply constraints. SolarEdge Technologies — Shares fell 13% after the solar company announced plans to lay off 400 employees in an effort to restore profitability as revenue fell. Other solar stocks fell in tandem. Shares of Sunrun, Sunnova Energy and NextEra Energy fell 11%, 9% and 5% respectively. Goldman Sachs — Shares of Goldman Sachs rose 1% after the bank reported better-than-expected second-quarter profit. Goldman Sachs reported earnings of $8.62 per share on revenue of $12.73 billion, while analysts polled by LSEG had expected earnings of $8.34 per share on revenue of $12.46 billion. Coinbase, Marathon Digital – Cryptocurrency stocks moved higher as investors ramped up bets on Trump's election, which they expect will benefit cryptocurrencies. The Republican candidate has recently expressed positive views on the asset class. Coinbase rose nearly 13%, while Marathon Digital and MicroStrategy gained 16% and 15%, respectively. Bitcoin also climbed above $63,000 on Monday, providing further support to stocks. APPLE — Shares of the iPhone maker rose 2% after Loop Capital upgraded Apple to a buy rating, saying the company's upcoming and future artificial intelligence integration could make it the next generation of artificial intelligence of choice for consumers. Base Camp”. Bloomberg News also reported that Apple’s annual sales in India increased to a record $8 billion in the 12 months to March. Baxter International — Shares of the medical products company fell 3% as Morgan Stanley downgraded its rating to underweight from equal weight. Although Baxter is trading at its lowest level in nearly a decade, its upside is limited, the company said. Tesla — The electric car stock gained nearly 5% and continues to gain more than 31% this month. —CNBC’s Hakyung Kim, Sarah Min, Lisa Kailai Han and Michelle Fox contributed reporting.