Check out which companies are making headlines before the bell Tuesday:
Home Depot - The home improvement retailer reported earnings of 67 cents a share on revenue of $18.24 billion, beating expectations for 64 cents a share on sales of $17.70 billion. In addition, the company announced a $17 billion share buyback program and increased its quarterly dividend by 34 percent.
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Macy's - The department store chain posted earnings of $2.05 a share, excluding one-time items, on revenue of $9.35 billion, exceeding Wall Street estimates for $1.99 a share on sales of $9.03 billion. (Read More: )
JPMorgan - The banking giant is looking to reduce expenses by $1 billion in 2013 and lowered headcount by nearly 4,000, CNBC learned.
Saks - The upscale department store chain posted earnings of 17 cents a share, ex-items, on revenue of $977 million, topping projections for 15 cents a share on sales of $963 million. The company added it expects to see 2013 same-store sales to grow between 3 percent and 5 percent.
Autozone - The auto parts retailer posted earnings of $4.78 a share, edging past expectations by 2 cents, but revenue was slightly short of estimates. The company reported a 1.8 percent decline in same-store sales, hurt by lingering effects of a relatively mild winter in 2011 that led to reduced demand. (Read More: More Americans Are Behind on Auto Loans)
Tenet Healthcare - The hospital and clinic operator posted earnings of 52 cents a share, excluding one-time items, on revenue of $2.33 billion, falling short of expectations for 68 cents a share on sales of $2.34 billion.
Radioshack - The consumer electronics retailer posted a loss of 63 cents a share, widely missing expectations for a loss of 5 cents a share. The company added it may have to shut stores or sell assets to improve liquidity if business does not improve by 2014.
Capital One Financial - Jefferies cut its price target on the credit-card provider to $60 from $67.
Texas Instruments - Evercore Partners downgraded the chipmaker to "equal-weight" from "overweight." (Read More: Hottest Trends in Mobile Devices)
AIG - Deutsche Bank raised its target price on the insurance company to $47 from $41.
Gap - UBS lowered its price target on the clothing retailer to $34 from $37.
Archer-Daniels - BMO Capital downgraded the global food processing and commodities trading company to "market perform" from "outperform" amid uncertainties in the U.S. corn crop outlook.
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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