Let's check out the Yahoo Finance charts of the day.
Walmart (WMT): Shares are down in early trade, around 2%. The retail chain reported fiscal first-quarter earnings that beat expectations on the top and bottom lines, as its e-commerce business rebounded.
Allergan (AGN): Shares are up here, around 1%. The global pharmaceutical company was sued by four large U.S. retailers that accused the drugmaker of antitrust violations for trying to stop rivals from selling generic versions of Restasis, its medication to treat dry-eye disease.
Alphabet (GOOG): Shares are down here, around .32%. Alphabet's YouTube said it will launch a new music streaming service, YouTube Music, next week and unveil soon a premium service that will charge more for its original shows.
For more on today's big stock movers check out the Final Round, live at 3:55 p.m. ET, right here on Yahoo Finance.