Today's biggest winners and losers in the stock market, a look at the notable movers: 

On this episode of Stock Movers:

- Bloom Energy (BE) boosted its revenue guidance for the full year; the guidance beat the average analyst estimate. Shares fell in post-market trading. 

- Omnicom (OMC) reported adjusted earnings per share for the third quarter that beat the average analyst estimate. Coca-Cola has selected the company as its media partner in North America, while retaining WPP Open X as its global media partner outside of North America, Japan and South Korea, following a global marketing operating system review. 

- Western Digital (WDC) forecast better-than-expected earnings and hiked its dividend, underscoring strong demand for data storage fueled by the artificial intelligence boom. The hard-drive maker expects adjusted earnings per share of as much as $6 in its fiscal second quarter, well ahead of analyst expectations of $4.80, according to a statement Thursday. It also raised its dividend by 17%. Shares rose 2% in extended trading initially, before turning negative.