Why is Uber stock rallying today?

Market activity shows divergent trends among several companies. Uber, Coastal Financial, and Sandisk are all experiencing stock rallies, with their share prices climbing higher today. In contrast, Sionna Therapeutics is facing a significant downturn, as its stock is collapsing. These movements reflect a mix of positive momentum for the tech and financial sectors, while the therapeutics firm struggles, creating a varied landscape of gains and losses across these specific equity holdings.