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: Macy's CEO 'Sick' Over Martha Stewart's JC Penney Deal)
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.
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.