Shares of First Solar (NASDAQ:FSLR) moved upward today, after the company raised guidance and announced a partnership with General Electric. Conversely, SolarCity (NASDAQ:SCTY) fell on the news. KB Home (NYSE:KBH) is also up today, after announcing that revenue and net income were up for the quarter, the first quarterly profit since the housing meltdown. Oracle (NYSE:ORCL) fell today, after missing analysts' expectations for the fourth quarter, possibly because of growing pressure from younger, more nimble competition. And WisdomTree Investments (NASDAQ:WETF) took a hit today, after a Citigroup analyst downgraded the ETF maker to "sell."

In this segment of Wednesday's Investor Beat, host Alison Southwick and Motley Fool analysts Bill Barker and Matt Argersinger take a look at some of the day's biggest movers on Wednesday's market.

Alison Southwick, Bill Barker, and Matthew Argersinger have no position in any stocks mentioned. The Motley Fool recommends SolarCity, Ultimate Software Group, and WisdomTree Investments and owns shares of Citigroup, General Electric, Oracle, and SolarCity. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.