Check out which companies are making headlines after the bell Tuesday:
Intel - The semiconductor company posted earnings of 58 cents a share on revenue of $13.48 billion, easily beating expectations for 53 cents a share on sales of $13.46 billion. Shares advanced in extended-hours trading.
Yahoo - The Internet company posted earnings of 34 cents a share, edging past estimates for 33 cents a share, while revenue was in line with forecasts at $1.08 billion, excluding traffic-acquisition costs. However, the company handed in fourth-quarter revenue that disappointed expectations. Shares pared their initial gains in extended-hours trading.
CSX - The railroad operator posted earnings of 46 cents a share on sales of $3 billion, topping expectations for 43 cents a share on sales of $2.95 billion. Shares rallied in extended-hours trading.
(Read more: Fitch puts US creditrating on watch for downgrade)
Wet Seal - The teen apparel retailer lowered its third-quarter outlook, saying it expects to post a loss of between 10 cents a share and 12 cents a share, citing weak mall traffic. Shares tumbled after being temporarily halted in extended-hours trading.
Omega Healthcare Investors - The real estate investment trust lifted its quarterly dividend to 48 cents a share from 47 cents a share. Shares edged higher in extended-hours trading.
Credit Suisse initiated covered of Nucor and Steel Dynamics with an "outperform" rating. The brokerage started coverage of U.S. Steel and AK Steel with "neutral" and "underperform" ratings, respectively. Shares were narrowly mixed in extended-hours trading.
SunTrust initiated coverage of home improvement retailers Home Depot and Lowe's with "buy" ratings and price targets of $90 and $58, respectively. Shares of both companies were largely flat in extended-hours trading.