Closing Bell: Agios Pharma Jumps, Rivian Tumbles, Fiserv Rises

Today's biggest winners and losers in the stock market.On this episode of Stock Movers:Listen for comprehensive cross-platform coverage of the US market close as heard on Bloomberg Television, Bloomberg Radio, and YouTube with Romaine Bostick, Katie Griefeld, Carol Massar and Emily Graffeo- Agios Pharmaceuticals (AGIO) shares jump as much as 15% to hit its highest intraday level since November after the biotech said the US Food and Drug Administration accepted its supplemental new drug application for mitapivat in sickle-cell disease with a priority review designation.- Shares of Rivian Automotive (RIVN) tumble more than 15% after the electric vehicle firm said it will sell 75 million shares to fund equity contributions related to a US Department of Energy loan. The offering would raise about $1.5 billion at the closing price of $20.14 per share, with Goldman Sachs Group Inc. leading the share sale. Rivian intends to use the proceeds for purposes including making contributions under the amended loan agreement with the Department of Energy.- Fiserv (FISV) shares rise as much as 6.9% after the Wall Street Journal reported that big Wall Street banks have held preliminary discussions about a deal to acquire a debit network owned by the financial-technology company. JPMorgan Chase, Bank of America, Wells Fargo and PNC Financial Services Group were the banks involved in the discussions, according to the WSJSee omnystudio.com/listener for privacy information.