Take a look at some of Wednesday's midday movers:
Financial stocks were among the biggest gainers including, MetLife.
Salesforce.com also hit a new 52-week high before turning lower.
Facebook rallied after JPMorgan upped its price target on the social-networking giant to $35 from $29 citing possibilities in mobile.
Kohl's slipped after Buckingham Research cut its rating on the retail chain to "neutral" from "buy."
U.S. Steel soared after Credit Suisse upgraded its rating on the steelmaker to "outperform" from "neutral," saying the sector is set for a bounce.
Caterpillar advanced after ISI Group upgraded the equipment manufacturer to "buy" from "hold" and boosted its target price to $111 from $94.
And Lam Research was among the best performers after D.A. Davidson initiated coverage of the fabrication-equipment maker for the semiconductor industry with a "buy" rating and a $56 price target.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Lori Spechler
Questions? Comments? Email us at firstname.lastname@example.org
The CBOE Volatility Index fell below 12 as Federal Reserve Chair Janet Yellen began speaking.
Fed Chair Janet Yellen stuck to her script Friday, even though traders had hoped CPI data would force her to give a nod to improved data.
Names on the move ahead of the open.
A speech by Janet Yellen and CPI data guarantee that more traders will be working than otherwise might be ahead of the long weekend.
Patti Domm is CNBC Executive Editor, News, responsible for news coverage of the markets and economy.
A CNBC reporter since 1990, Bob Pisani covers Wall Street from the floor of the New York Stock Exchange.
Senior Producer at CNBC's Breaking News Desk.
Dominic Chu is a markets reporter for CNBC.
Evelyn Cheng is a markets writer for CNBC.
Sara Eisen is a correspondent for CNBC, focusing on currencies and the global consumer.