Exxon & Chevron slips on oil; American & Delta upgraded; Dollar Tree misses sales

Time for your daily dose of trending tickers, the stocks you're following based on your Yahoo Finance ticker searches.

Exxon Mobil & Chevron

Exxon Mobil (XOM) led the blue chips lower. Oil giants Exxon and Chevron (CVX) are the Dow Jones Industrial's worst performers as they declined with oil prices resuming their fall. Investors took profits after crude oil surged nearly 9% on Monday.

Dollar Tree

Dollar Tree (DLTR) struggled to bounce off its lows. The discount retailer opened sharply lower after posting both revenue and same store sales that missed analyst estimates. Dollar Tree, however did beat earnings expectations at $0.67 a share. The company said despite the quarterly loss, it is starting to see positive effects from its merger with Family Dollar.

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American Airlines & Delta

Not even an upgrade was able lift American Airlines (AAL) from the market's correction. Deutsche Bank raised its rating for American Airlines and Delta (DAL) to "buy" from "hold." The price target was set at $50 dollars for both airlines. The firm thinks current levels are an attractive entry point for the two stocks. And also believes lower energy prices will have a positive impact on their earnings.